How do I get my band to appreciate me?

I'm the bassist in a band. I feel unappreciated by the guitarist and particularly the drummer. I'll start with the guitarist. He, at least, understands the importance of my role in the band. But he obviously thinks his instrument is far superior to mine. I remember once we were talking about how Jimmy Page first played bass in his band but then got put on guitar. He described it as Jimmy Page getting a huge promotion. Another time we were talking about how Paul McCartney first played trumpet and then guitar and then bass. The guitarist said that he got a promotion and then a demotion. I'm not saying he's not entitled to think his instrument is better - I think bass is better than any other instrument - but I wish he wouldn't constantly talk about like it's a fact. Now for the drummer. He obviously see's no point in me being in the band, which is really bad because we need to work together being the rhythm section, but I don't see how we can when he doesn't see the point in bass. He's said before that he hates bass and that he doesn't think it's neccessary. I don't know what to say to him. I just feel really underappreciated. ANy suggestions to what I should do? And I don't want people saying 'leave the band' unless they think that's the only thing to do, because the guitarist and drummer are really nice guys and my best friends.