77431575

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:229

約数の個数: 72

約数和(自身を含む): 142959600

約数和(自身を除く): 65528025

約数列:

[1, 3, 5, 13, 15, 25, 39, 41, 65, 75, 123, 149, 169, 195, 205, 325, 447, 507, 533, 615, 745, 845, 975, 1025, 1599, 1937, 2235, 2535, 2665, 3075, 3725, 4225, 5811, 6109, 6929, 7995, 9685, 11175, 12675, 13325, 18327, 20787, 25181, 29055, 30545, 34645, 39975, 48425, 75543, 79417, 91635, 103935, 125905, 145275, 152725, 173225, 238251, 377715, 397085, 458175, 519675, 629525, 1032421, 1191255, 1888575, 1985425, 3097263, 5162105, 5956275, 15486315, 25810525, 77431575]

約数ペア:

[(1, 77431575), (3, 25810525), (5, 15486315), (13, 5956275), (15, 5162105), (25, 3097263), (39, 1985425), (41, 1888575), (65, 1191255), (75, 1032421), (123, 629525), (149, 519675), (169, 458175), (195, 397085), (205, 377715), (325, 238251), (447, 173225), (507, 152725), (533, 145275), (615, 125905), (745, 103935), (845, 91635), (975, 79417), (1025, 75543), (1599, 48425), (1937, 39975), (2235, 34645), (2535, 30545), (2665, 29055), (3075, 25181), (3725, 20787), (4225, 18327), (5811, 13325), (6109, 12675), (6929, 11175), (7995, 9685)]