681795

素因数分解:

$3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:259

約数の個数: 24

約数和(自身を含む): 1201200

約数和(自身を除く): 519405

約数列:

[1, 3, 5, 9, 15, 45, 109, 139, 327, 417, 545, 695, 981, 1251, 1635, 2085, 4905, 6255, 15151, 45453, 75755, 136359, 227265, 681795]

約数ペア:

[(1, 681795), (3, 227265), (5, 136359), (9, 75755), (15, 45453), (45, 15151), (109, 6255), (139, 4905), (327, 2085), (417, 1635), (545, 1251), (695, 981)]