15212475

素因数分解:

$3^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{727}}^1$

素因数の和:777

約数の個数: 48

約数和(自身を含む): 28887040

約数和(自身を除く): 13674565

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 75, 93, 135, 155, 225, 279, 465, 675, 727, 775, 837, 1395, 2181, 2325, 3635, 4185, 6543, 6975, 10905, 18175, 19629, 20925, 22537, 32715, 54525, 67611, 98145, 112685, 163575, 202833, 338055, 490725, 563425, 608499, 1014165, 1690275, 3042495, 5070825, 15212475]

約数ペア:

[(1, 15212475), (3, 5070825), (5, 3042495), (9, 1690275), (15, 1014165), (25, 608499), (27, 563425), (31, 490725), (45, 338055), (75, 202833), (93, 163575), (135, 112685), (155, 98145), (225, 67611), (279, 54525), (465, 32715), (675, 22537), (727, 20925), (775, 19629), (837, 18175), (1395, 10905), (2181, 6975), (2325, 6543), (3635, 4185)]