OFFSET
1,2
LINKS
Charles R Greathouse IV, Table of n, a(n) for n = 1..10000
Eric Weisstein's World of Mathematics, Divisor Product
MATHEMATICA
Select[Range[1135], IntegerQ@ Power[Times @@ Divisors[#], 1/5] &] (* Michael De Vlieger, Mar 09 2022 *)
PROG
(PARI) is(n)=ispower(n, 5) || numdiv(n)%5==0 \\ Charles R Greathouse IV, May 25 2011
(Magma) A048946:=func< n | IsPower(&*Divisors(n), 5) >; [ n: n in [1..1134] | A048946(n) ]; // Bruno Berselli, May 25 2011
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved