64612125

素因数分解:

$3^2\times 5^3\times {\mathrm{79}}^1\times {\mathrm{727}}^1$

素因数の和:827

約数の個数: 48

約数和(自身を含む): 118110720

約数和(自身を除く): 53498595

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 79, 125, 225, 237, 375, 395, 711, 727, 1125, 1185, 1975, 2181, 3555, 3635, 5925, 6543, 9875, 10905, 17775, 18175, 29625, 32715, 54525, 57433, 88875, 90875, 163575, 172299, 272625, 287165, 516897, 817875, 861495, 1435825, 2584485, 4307475, 7179125, 12922425, 21537375, 64612125]

約数ペア:

[(1, 64612125), (3, 21537375), (5, 12922425), (9, 7179125), (15, 4307475), (25, 2584485), (45, 1435825), (75, 861495), (79, 817875), (125, 516897), (225, 287165), (237, 272625), (375, 172299), (395, 163575), (711, 90875), (727, 88875), (1125, 57433), (1185, 54525), (1975, 32715), (2181, 29625), (3555, 18175), (3635, 17775), (5925, 10905), (6543, 9875)]