28955475

素因数分解:

$3^4\times 5^2\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:282

約数の個数: 60

約数和(自身を含む): 54614560

約数和(自身を除く): 25659085

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 79, 81, 135, 181, 225, 237, 395, 405, 543, 675, 711, 905, 1185, 1629, 1975, 2025, 2133, 2715, 3555, 4525, 4887, 5925, 6399, 8145, 10665, 13575, 14299, 14661, 17775, 24435, 31995, 40725, 42897, 53325, 71495, 73305, 122175, 128691, 159975, 214485, 357475, 366525, 386073, 643455, 1072425, 1158219, 1930365, 3217275, 5791095, 9651825, 28955475]

約数ペア:

[(1, 28955475), (3, 9651825), (5, 5791095), (9, 3217275), (15, 1930365), (25, 1158219), (27, 1072425), (45, 643455), (75, 386073), (79, 366525), (81, 357475), (135, 214485), (181, 159975), (225, 128691), (237, 122175), (395, 73305), (405, 71495), (543, 53325), (675, 42897), (711, 40725), (905, 31995), (1185, 24435), (1629, 17775), (1975, 14661), (2025, 14299), (2133, 13575), (2715, 10665), (3555, 8145), (4525, 6399), (4887, 5925)]