87690609

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{1259}}^1$

素因数の和:1445

約数の個数: 24

約数和(自身を含む): 129729600

約数和(自身を除く): 42038991

約数列:

[1, 3, 9, 71, 109, 213, 327, 639, 981, 1259, 3777, 7739, 11331, 23217, 69651, 89389, 137231, 268167, 411693, 804501, 1235079, 9743401, 29230203, 87690609]

約数ペア:

[(1, 87690609), (3, 29230203), (9, 9743401), (71, 1235079), (109, 804501), (213, 411693), (327, 268167), (639, 137231), (981, 89389), (1259, 69651), (3777, 23217), (7739, 11331)]