17868825

素因数分解:

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

素因数の和:219

約数の個数: 72

約数和(自身を含む): 35544600

約数和(自身を除く): 17675775

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 41, 45, 65, 75, 117, 123, 149, 195, 205, 225, 325, 369, 447, 533, 585, 615, 745, 975, 1025, 1341, 1599, 1845, 1937, 2235, 2665, 2925, 3075, 3725, 4797, 5811, 6109, 6705, 7995, 9225, 9685, 11175, 13325, 17433, 18327, 23985, 29055, 30545, 33525, 39975, 48425, 54981, 79417, 87165, 91635, 119925, 145275, 152725, 238251, 274905, 397085, 435825, 458175, 714753, 1191255, 1374525, 1985425, 3573765, 5956275, 17868825]

約数ペア:

[(1, 17868825), (3, 5956275), (5, 3573765), (9, 1985425), (13, 1374525), (15, 1191255), (25, 714753), (39, 458175), (41, 435825), (45, 397085), (65, 274905), (75, 238251), (117, 152725), (123, 145275), (149, 119925), (195, 91635), (205, 87165), (225, 79417), (325, 54981), (369, 48425), (447, 39975), (533, 33525), (585, 30545), (615, 29055), (745, 23985), (975, 18327), (1025, 17433), (1341, 13325), (1599, 11175), (1845, 9685), (1937, 9225), (2235, 7995), (2665, 6705), (2925, 6109), (3075, 5811), (3725, 4797)]