12808575

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1$

素因数の和:209

約数の個数: 72

約数和(自身を含む): 25727520

約数和(自身を除く): 12918945

約数列:

[1, 3, 5, 9, 13, 15, 25, 29, 39, 45, 65, 75, 87, 117, 145, 151, 195, 225, 261, 325, 377, 435, 453, 585, 725, 755, 975, 1131, 1305, 1359, 1885, 1963, 2175, 2265, 2925, 3393, 3775, 4379, 5655, 5889, 6525, 6795, 9425, 9815, 11325, 13137, 16965, 17667, 21895, 28275, 29445, 33975, 39411, 49075, 56927, 65685, 84825, 88335, 109475, 147225, 170781, 197055, 284635, 328425, 441675, 512343, 853905, 985275, 1423175, 2561715, 4269525, 12808575]

約数ペア:

[(1, 12808575), (3, 4269525), (5, 2561715), (9, 1423175), (13, 985275), (15, 853905), (25, 512343), (29, 441675), (39, 328425), (45, 284635), (65, 197055), (75, 170781), (87, 147225), (117, 109475), (145, 88335), (151, 84825), (195, 65685), (225, 56927), (261, 49075), (325, 39411), (377, 33975), (435, 29445), (453, 28275), (585, 21895), (725, 17667), (755, 16965), (975, 13137), (1131, 11325), (1305, 9815), (1359, 9425), (1885, 6795), (1963, 6525), (2175, 5889), (2265, 5655), (2925, 4379), (3393, 3775)]