12975905

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{821}}^1$

素因数の和:964

約数の個数: 16

約数和(自身を含む): 16275600

約数和(自身を除く): 3299695

約数列:

[1, 5, 29, 109, 145, 545, 821, 3161, 4105, 15805, 23809, 89489, 119045, 447445, 2595181, 12975905]

約数ペア:

[(1, 12975905), (5, 2595181), (29, 447445), (109, 119045), (145, 89489), (545, 23809), (821, 15805), (3161, 4105)]