64881693

素因数分解:

$3^2\times {\mathrm{101}}^1\times {\mathrm{137}}^1\times {\mathrm{521}}^1$

素因数の和:765

約数の個数: 24

約数和(自身を含む): 95519736

約数和(自身を除く): 30638043

約数列:

[1, 3, 9, 101, 137, 303, 411, 521, 909, 1233, 1563, 4689, 13837, 41511, 52621, 71377, 124533, 157863, 214131, 473589, 642393, 7209077, 21627231, 64881693]

約数ペア:

[(1, 64881693), (3, 21627231), (9, 7209077), (101, 642393), (137, 473589), (303, 214131), (411, 157863), (521, 124533), (909, 71377), (1233, 52621), (1563, 41511), (4689, 13837)]