649233

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:229

約数の個数: 24

約数和(自身を含む): 1048320

約数和(自身を除く): 399087

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 179, 279, 403, 537, 1209, 1611, 2327, 3627, 5549, 6981, 16647, 20943, 49941, 72137, 216411, 649233]

約数ペア:

[(1, 649233), (3, 216411), (9, 72137), (13, 49941), (31, 20943), (39, 16647), (93, 6981), (117, 5549), (179, 3627), (279, 2327), (403, 1611), (537, 1209)]