3957191

素因数分解:

$7^3\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:243

約数の個数: 16

約数和(自身を含む): 4704000

約数和(自身を除く): 746809

約数列:

[1, 7, 49, 83, 139, 343, 581, 973, 4067, 6811, 11537, 28469, 47677, 80759, 565313, 3957191]

約数ペア:

[(1, 3957191), (7, 565313), (49, 80759), (83, 47677), (139, 28469), (343, 11537), (581, 6811), (973, 4067)]