131756639

素因数分解:

$7^2\times {\mathrm{67}}^2\times {\mathrm{599}}^1$

素因数の和:747

約数の個数: 18

約数和(自身を含む): 155849400

約数和(自身を除く): 24092761

約数列:

[1, 7, 49, 67, 469, 599, 3283, 4193, 4489, 29351, 31423, 40133, 219961, 280931, 1966517, 2688911, 18822377, 131756639]

約数ペア:

[(1, 131756639), (7, 18822377), (49, 2688911), (67, 1966517), (469, 280931), (599, 219961), (3283, 40133), (4193, 31423), (4489, 29351)]