8720221437

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{50995447}}^1$

素因数の和:50995472

約数の個数: 12

約数和(自身を含む): 13258816480

約数和(自身を除く): 4538595043

約数列:

[1, 3, 9, 19, 57, 171, 50995447, 152986341, 458959023, 968913493, 2906740479, 8720221437]

約数ペア:

[(1, 8720221437), (3, 2906740479), (9, 968913493), (19, 458959023), (57, 152986341), (171, 50995447)]