Denominator of sum of -6th powers of divisors of n.

Terms

a(0) =1a(1) =64a(2) =729a(3) =4096a(4) =15625a(5) =23328a(6) =117649a(7) =262144a(8) =531441a(9) =100000a(10) =1771561a(11) =497664a(12) =4826809a(13) =3764768a(14) =2278125a(15) =16777216a(16) =24137569a(17) =34012224a(18) =47045881a(19) =32000000a(20) =85766121a(21) =56689952a(22) =148035889a(23) =95551488a(24) =244140625a(25) =11881376a(26) =387420489a(27) =240945152a(28) =594823321