393409221

素因数分解:

$3^1\times {\mathrm{103}}^1\times {\mathrm{997}}^1\times {\mathrm{1277}}^1$

素因数の和:2380

約数の個数: 16

約数和(自身を含む): 530584704

約数和(自身を除く): 137175483

約数列:

[1, 3, 103, 309, 997, 1277, 2991, 3831, 102691, 131531, 308073, 394593, 1273169, 3819507, 131136407, 393409221]

約数ペア:

[(1, 393409221), (3, 131136407), (103, 3819507), (309, 1273169), (997, 394593), (1277, 308073), (2991, 131531), (3831, 102691)]