13215405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2927}}^1$

素因数の和:2985

約数の個数: 32

約数和(自身を含む): 24735744

約数和(自身を除く): 11520339

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 105, 129, 215, 301, 645, 903, 1505, 2927, 4515, 8781, 14635, 20489, 43905, 61467, 102445, 125861, 307335, 377583, 629305, 881027, 1887915, 2643081, 4405135, 13215405]

約数ペア:

[(1, 13215405), (3, 4405135), (5, 2643081), (7, 1887915), (15, 881027), (21, 629305), (35, 377583), (43, 307335), (105, 125861), (129, 102445), (215, 61467), (301, 43905), (645, 20489), (903, 14635), (1505, 8781), (2927, 4515)]