1393508727

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{21383}}^1$

素因数の和:21959

約数の個数: 24

約数和(自身を含む): 2171673504

約数和(自身を除く): 778164777

約数列:

[1, 3, 9, 13, 39, 117, 557, 1671, 5013, 7241, 21383, 21723, 64149, 65169, 192447, 277979, 833937, 2501811, 11910331, 35730993, 107192979, 154834303, 464502909, 1393508727]

約数ペア:

[(1, 1393508727), (3, 464502909), (9, 154834303), (13, 107192979), (39, 35730993), (117, 11910331), (557, 2501811), (1671, 833937), (5013, 277979), (7241, 192447), (21383, 65169), (21723, 64149)]