217231353

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{11621}}^1$

素因数の和:11725

約数の個数: 24

約数和(自身を含む): 328763136

約数和(自身を除く): 111531783

約数列:

[1, 3, 9, 31, 67, 93, 201, 279, 603, 2077, 6231, 11621, 18693, 34863, 104589, 360251, 778607, 1080753, 2335821, 3242259, 7007463, 24136817, 72410451, 217231353]

約数ペア:

[(1, 217231353), (3, 72410451), (9, 24136817), (31, 7007463), (67, 3242259), (93, 2335821), (201, 1080753), (279, 778607), (603, 360251), (2077, 104589), (6231, 34863), (11621, 18693)]