89970405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{19927}}^1$

素因数の和:19985

約数の個数: 32

約数和(自身を含む): 168351744

約数和(自身を除く): 78381339

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 105, 129, 215, 301, 645, 903, 1505, 4515, 19927, 59781, 99635, 139489, 298905, 418467, 697445, 856861, 2092335, 2570583, 4284305, 5998027, 12852915, 17994081, 29990135, 89970405]

約数ペア:

[(1, 89970405), (3, 29990135), (5, 17994081), (7, 12852915), (15, 5998027), (21, 4284305), (35, 2570583), (43, 2092335), (105, 856861), (129, 697445), (215, 418467), (301, 298905), (645, 139489), (903, 99635), (1505, 59781), (4515, 19927)]