67680277

素因数分解:

$7^1\times {\mathrm{191}}^1\times {\mathrm{223}}^1\times {\mathrm{227}}^1$

素因数の和:648

約数の個数: 16

約数和(自身を含む): 78446592

約数和(自身を除く): 10766315

約数列:

[1, 7, 191, 223, 227, 1337, 1561, 1589, 42593, 43357, 50621, 298151, 303499, 354347, 9668611, 67680277]

約数ペア:

[(1, 67680277), (7, 9668611), (191, 354347), (223, 303499), (227, 298151), (1337, 50621), (1561, 43357), (1589, 42593)]