Product of all divisors of n, divided by product of unitary divisors; or equivalently product of non-unitary divisors of n.
A061538
Product of all divisors of n, divided by product of unitary divisors; or equivalently product of non-unitary divisors of n.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =2a(4) =1a(5) =1a(6) =1a(7) =8a(8) =3a(9) =1a(10) =1a(11) =12a(12) =1a(13) =1a(14) =1a(15) =64a(16) =1a(17) =18a(18) =1a(19) =20a(20) =1a(21) =1a(22) =1a(23) =576a(24) =5a(25) =1a(26) =27a(27) =28a(28) =1a(29) =1
External references
- oeis: A061538