397815375

素因数分解:

$3^1\times 5^3\times {\mathrm{181}}^1\times {\mathrm{5861}}^1$

素因数の和:6060

約数の個数: 32

約数和(自身を含む): 665735616

約数和(自身を除く): 267920241

約数列:

[1, 3, 5, 15, 25, 75, 125, 181, 375, 543, 905, 2715, 4525, 5861, 13575, 17583, 22625, 29305, 67875, 87915, 146525, 439575, 732625, 1060841, 2197875, 3182523, 5304205, 15912615, 26521025, 79563075, 132605125, 397815375]

約数ペア:

[(1, 397815375), (3, 132605125), (5, 79563075), (15, 26521025), (25, 15912615), (75, 5304205), (125, 3182523), (181, 2197875), (375, 1060841), (543, 732625), (905, 439575), (2715, 146525), (4525, 87915), (5861, 67875), (13575, 29305), (17583, 22625)]