OFFSET
1,6
LINKS
Antti Karttunen, Table of n, a(n) for n = 1..65537
MATHEMATICA
f[p_, e_] := (p + 1)^e; a[n_] := GCD[n, Times @@ f @@@ FactorInteger[n]]; Array[a, 100] (* Amiram Eldar, Nov 07 2021 *)
PROG
CROSSREFS
KEYWORD
AUTHOR
Antti Karttunen, Nov 07 2021
STATUS
approved