27959625

素因数分解:

$3^2\times 5^3\times {\mathrm{29}}^1\times {\mathrm{857}}^1$

素因数の和:907

約数の個数: 48

約数和(自身を含む): 52200720

約数和(自身を除く): 24241095

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 125, 145, 225, 261, 375, 435, 725, 857, 1125, 1305, 2175, 2571, 3625, 4285, 6525, 7713, 10875, 12855, 21425, 24853, 32625, 38565, 64275, 74559, 107125, 124265, 192825, 223677, 321375, 372795, 621325, 964125, 1118385, 1863975, 3106625, 5591925, 9319875, 27959625]

約数ペア:

[(1, 27959625), (3, 9319875), (5, 5591925), (9, 3106625), (15, 1863975), (25, 1118385), (29, 964125), (45, 621325), (75, 372795), (87, 321375), (125, 223677), (145, 192825), (225, 124265), (261, 107125), (375, 74559), (435, 64275), (725, 38565), (857, 32625), (1125, 24853), (1305, 21425), (2175, 12855), (2571, 10875), (3625, 7713), (4285, 6525)]