82625625

素因数分解:

$3^2\times 5^4\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:460

約数の個数: 60

約数和(自身を含む): 153553972

約数和(自身を除く): 70928347

約数列:

[1, 3, 5, 9, 15, 25, 37, 45, 75, 111, 125, 185, 225, 333, 375, 397, 555, 625, 925, 1125, 1191, 1665, 1875, 1985, 2775, 3573, 4625, 5625, 5955, 8325, 9925, 13875, 14689, 17865, 23125, 29775, 41625, 44067, 49625, 69375, 73445, 89325, 132201, 148875, 208125, 220335, 248125, 367225, 446625, 661005, 744375, 1101675, 1836125, 2233125, 3305025, 5508375, 9180625, 16525125, 27541875, 82625625]

約数ペア:

[(1, 82625625), (3, 27541875), (5, 16525125), (9, 9180625), (15, 5508375), (25, 3305025), (37, 2233125), (45, 1836125), (75, 1101675), (111, 744375), (125, 661005), (185, 446625), (225, 367225), (333, 248125), (375, 220335), (397, 208125), (555, 148875), (625, 132201), (925, 89325), (1125, 73445), (1191, 69375), (1665, 49625), (1875, 44067), (1985, 41625), (2775, 29775), (3573, 23125), (4625, 17865), (5625, 14689), (5955, 13875), (8325, 9925)]