Least positive integer m relatively prime to n such that sigma(m*n) is a fourth power, where sigma(k) is the sum of the divisors of k.

A334353

Least positive integer m relatively prime to n such that sigma(m*n) is a fourth power, where sigma(k) is the sum of the divisors of k.

Terms

    a(0) =1a(1) =255a(2) =170a(3) =3783a(4) =102a(5) =85a(6) =31a(7) =39063a(8) =34711a(9) =51a(10) =85a(11) =1261a(12) =1164a(13) =53a(14) =34a(15) =417067a(16) =30a(17) =716125a(18) =499a(19) =55563a(20) =127a(21) =345a(22) =34a(23) =13021a(24) =417067a(25) =55563a(26) =3493a(27) =117273a(28) =10776a(29) =17

External references