A344754 Numbers k such that A344753(k) is a multiple of A048250(k).

1, 6, 24, 28, 54, 96, 112, 150, 153, 216, 294, 384, 448, 486, 496, 528, 672, 726, 864, 1014, 1080, 1377, 1500, 1536, 1734, 1792, 1944, 1980, 1984, 2112, 2166, 2250, 2376, 2688, 3174, 3456, 3672, 3750, 4320, 4374, 4560, 4753, 5046, 5292, 5766, 6000, 6048, 6144, 6720, 7168, 7776, 7936, 8128, 8214, 8448, 8700, 8736, 9024

Offset: 1

Author

Antti Karttunen, May 29 2021

Keywords

• nonn

Links

• Index entries for sequences where odd perfect numbers must occur, if they exist at all

Crossrefs

Cf. A001065, A001615, A306927, A048250, A344753.

Subsequences: A000396, A344755.

Cf. also A344700.

Programs

PARI

A048250(n) = factorback(apply(p -> p+1,factor(n)[,1]));
A344753(n) = sumdiv(n,d,(dA344754(n) = (0==(A344753(n)%A048250(n)));