25470405

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{13163}}^1$

素因数の和:13217

約数の個数: 24

約数和(自身を含む): 45178848

約数和(自身を除く): 19708443

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 13163, 39489, 65815, 118467, 197445, 566009, 592335, 1698027, 2830045, 5094081, 8490135, 25470405]

約数ペア:

[(1, 25470405), (3, 8490135), (5, 5094081), (9, 2830045), (15, 1698027), (43, 592335), (45, 566009), (129, 197445), (215, 118467), (387, 65815), (645, 39489), (1935, 13163)]