87770475

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{811}}^1$

素因数の和:877

約数の個数: 72

約数和(自身を含む): 174089552

約数和(自身を除く): 86319077

約数列:

[1, 3, 5, 9, 13, 15, 25, 37, 39, 45, 65, 75, 111, 117, 185, 195, 225, 325, 333, 481, 555, 585, 811, 925, 975, 1443, 1665, 2405, 2433, 2775, 2925, 4055, 4329, 7215, 7299, 8325, 10543, 12025, 12165, 20275, 21645, 30007, 31629, 36075, 36495, 52715, 60825, 90021, 94887, 108225, 150035, 158145, 182475, 263575, 270063, 390091, 450105, 474435, 750175, 790725, 1170273, 1350315, 1950455, 2250525, 2372175, 3510819, 5851365, 6751575, 9752275, 17554095, 29256825, 87770475]

約数ペア:

[(1, 87770475), (3, 29256825), (5, 17554095), (9, 9752275), (13, 6751575), (15, 5851365), (25, 3510819), (37, 2372175), (39, 2250525), (45, 1950455), (65, 1350315), (75, 1170273), (111, 790725), (117, 750175), (185, 474435), (195, 450105), (225, 390091), (325, 270063), (333, 263575), (481, 182475), (555, 158145), (585, 150035), (811, 108225), (925, 94887), (975, 90021), (1443, 60825), (1665, 52715), (2405, 36495), (2433, 36075), (2775, 31629), (2925, 30007), (4055, 21645), (4329, 20275), (7215, 12165), (7299, 12025), (8325, 10543)]