391975497

素因数分解:

$3^3\times {\mathrm{1571}}^1\times {\mathrm{9241}}^1$

素因数の和:10821

約数の個数: 16

約数和(自身を含む): 581136960

約数和(自身を除く): 189161463

約数列:

[1, 3, 9, 27, 1571, 4713, 9241, 14139, 27723, 42417, 83169, 249507, 14517611, 43552833, 130658499, 391975497]

約数ペア:

[(1, 391975497), (3, 130658499), (9, 43552833), (27, 14517611), (1571, 249507), (4713, 83169), (9241, 42417), (14139, 27723)]