67981425

素因数分解:

$3^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{6521}}^1$

素因数の和:6673

約数の個数: 24

約数和(自身を含む): 113221920

約数和(自身を除く): 45240495

約数列:

[1, 3, 5, 15, 25, 75, 139, 417, 695, 2085, 3475, 6521, 10425, 19563, 32605, 97815, 163025, 489075, 906419, 2719257, 4532095, 13596285, 22660475, 67981425]

約数ペア:

[(1, 67981425), (3, 22660475), (5, 13596285), (15, 4532095), (25, 2719257), (75, 906419), (139, 489075), (417, 163025), (695, 97815), (2085, 32605), (3475, 19563), (6521, 10425)]