%I #15 Sep 04 2022 13:57:21
%S 1,3,9,71,213,639
%N Divisors of 639.
%H <a href="/index/Di#divisors">Index entries for sequences related to divisors of numbers</a>
%p numtheory[divisors](639); # _Wesley Ivan Hurt_, Apr 10 2017
%t Divisors[639] (* _Wesley Ivan Hurt_, Sep 04 2022 *)
%o (PARI) divisors(639) \\ _Charles R Greathouse IV_, Jun 23 2017
%K nonn,fini,full,easy
%O 1,2
%A _N. J. A. Sloane_