25020405

素因数分解:

$3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5101}}^1$

素因数の和:5221

約数の個数: 24

約数和(自身を含む): 43775160

約数和(自身を除く): 18754755

約数列:

[1, 3, 5, 9, 15, 45, 109, 327, 545, 981, 1635, 4905, 5101, 15303, 25505, 45909, 76515, 229545, 556009, 1668027, 2780045, 5004081, 8340135, 25020405]

約数ペア:

[(1, 25020405), (3, 8340135), (5, 5004081), (9, 2780045), (15, 1668027), (45, 556009), (109, 229545), (327, 76515), (545, 45909), (981, 25505), (1635, 15303), (4905, 5101)]