140972625

素因数分解:

$3^2\times 5^3\times {\mathrm{29}}^2\times {\mathrm{149}}^1$

素因数の和:228

約数の個数: 72

約数和(自身を含む): 264958200

約数和(自身を除く): 123985575

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 125, 145, 149, 225, 261, 375, 435, 447, 725, 745, 841, 1125, 1305, 1341, 2175, 2235, 2523, 3625, 3725, 4205, 4321, 6525, 6705, 7569, 10875, 11175, 12615, 12963, 18625, 21025, 21605, 32625, 33525, 37845, 38889, 55875, 63075, 64815, 105125, 108025, 125309, 167625, 189225, 194445, 315375, 324075, 375927, 540125, 626545, 946125, 972225, 1127781, 1620375, 1879635, 3132725, 4861125, 5638905, 9398175, 15663625, 28194525, 46990875, 140972625]

約数ペア:

[(1, 140972625), (3, 46990875), (5, 28194525), (9, 15663625), (15, 9398175), (25, 5638905), (29, 4861125), (45, 3132725), (75, 1879635), (87, 1620375), (125, 1127781), (145, 972225), (149, 946125), (225, 626545), (261, 540125), (375, 375927), (435, 324075), (447, 315375), (725, 194445), (745, 189225), (841, 167625), (1125, 125309), (1305, 108025), (1341, 105125), (2175, 64815), (2235, 63075), (2523, 55875), (3625, 38889), (3725, 37845), (4205, 33525), (4321, 32625), (6525, 21605), (6705, 21025), (7569, 18625), (10875, 12963), (11175, 12615)]