Numbers n of the form (product of divisors of k)/(sum of divisors of k) for some k.
A187942
Numbers n of the form (product of divisors of k)/(sum of divisors of k) for some k.
Terms
- a(0) =1a(1) =3a(2) =392a(3) =11250a(4) =131769a(5) =501126a(6) =15780962a(7) =131079601a(8) =1568294784a(9) =30261936128
External references
- oeis: A187942