18122625

素因数分解:

$3^2\times 5^3\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:291

約数の個数: 48

約数和(自身を含む): 33218640

約数和(自身を除く): 15096015

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 89, 125, 181, 225, 267, 375, 445, 543, 801, 905, 1125, 1335, 1629, 2225, 2715, 4005, 4525, 6675, 8145, 11125, 13575, 16109, 20025, 22625, 33375, 40725, 48327, 67875, 80545, 100125, 144981, 203625, 241635, 402725, 724905, 1208175, 2013625, 3624525, 6040875, 18122625]

約数ペア:

[(1, 18122625), (3, 6040875), (5, 3624525), (9, 2013625), (15, 1208175), (25, 724905), (45, 402725), (75, 241635), (89, 203625), (125, 144981), (181, 100125), (225, 80545), (267, 67875), (375, 48327), (445, 40725), (543, 33375), (801, 22625), (905, 20025), (1125, 16109), (1335, 13575), (1629, 11125), (2225, 8145), (2715, 6675), (4005, 4525)]