128718759

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{70223}}^1$

素因数の和:70286

約数の個数: 16

約数和(自身を含む): 188762112

約数和(自身を除く): 60043353

約数列:

[1, 3, 13, 39, 47, 141, 611, 1833, 70223, 210669, 912899, 2738697, 3300481, 9901443, 42906253, 128718759]

約数ペア:

[(1, 128718759), (3, 42906253), (13, 9901443), (39, 3300481), (47, 2738697), (141, 912899), (611, 210669), (1833, 70223)]