13271405

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2851}}^1$

素因数の和:2889

約数の個数: 24

約数和(自身を含む): 19507680

約数和(自身を除く): 6236275

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 245, 665, 931, 2851, 4655, 14255, 19957, 54169, 99785, 139699, 270845, 379183, 698495, 1895915, 2654281, 13271405]

約数ペア:

[(1, 13271405), (5, 2654281), (7, 1895915), (19, 698495), (35, 379183), (49, 270845), (95, 139699), (133, 99785), (245, 54169), (665, 19957), (931, 14255), (2851, 4655)]