25992405

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 48572784

約数和(自身を除く): 22580379

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 61, 85, 153, 183, 255, 305, 549, 557, 765, 915, 1037, 1671, 2745, 2785, 3111, 5013, 5185, 8355, 9333, 9469, 15555, 25065, 28407, 33977, 46665, 47345, 85221, 101931, 142035, 169885, 305793, 426105, 509655, 577609, 1528965, 1732827, 2888045, 5198481, 8664135, 25992405]

約数ペア:

[(1, 25992405), (3, 8664135), (5, 5198481), (9, 2888045), (15, 1732827), (17, 1528965), (45, 577609), (51, 509655), (61, 426105), (85, 305793), (153, 169885), (183, 142035), (255, 101931), (305, 85221), (549, 47345), (557, 46665), (765, 33977), (915, 28407), (1037, 25065), (1671, 15555), (2745, 9469), (2785, 9333), (3111, 8355), (5013, 5185)]