65745495

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 118733472

約数和(自身を除く): 52987977

約数列:

[1, 3, 5, 9, 15, 43, 45, 61, 129, 183, 215, 305, 387, 549, 557, 645, 915, 1671, 1935, 2623, 2745, 2785, 5013, 7869, 8355, 13115, 23607, 23951, 25065, 33977, 39345, 71853, 101931, 118035, 119755, 169885, 215559, 305793, 359265, 509655, 1077795, 1461011, 1528965, 4383033, 7305055, 13149099, 21915165, 65745495]

約数ペア:

[(1, 65745495), (3, 21915165), (5, 13149099), (9, 7305055), (15, 4383033), (43, 1528965), (45, 1461011), (61, 1077795), (129, 509655), (183, 359265), (215, 305793), (305, 215559), (387, 169885), (549, 119755), (557, 118035), (645, 101931), (915, 71853), (1671, 39345), (1935, 33977), (2623, 25065), (2745, 23951), (2785, 23607), (5013, 13115), (7869, 8355)]