397738521

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{337}}^1\times {\mathrm{1847}}^1$

素因数の和:2261

約数の個数: 24

約数和(自身を含む): 584648064

約数和(自身を除く): 186909543

約数列:

[1, 3, 9, 71, 213, 337, 639, 1011, 1847, 3033, 5541, 16623, 23927, 71781, 131137, 215343, 393411, 622439, 1180233, 1867317, 5601951, 44193169, 132579507, 397738521]

約数ペア:

[(1, 397738521), (3, 132579507), (9, 44193169), (71, 5601951), (213, 1867317), (337, 1180233), (639, 622439), (1011, 393411), (1847, 215343), (3033, 131137), (5541, 71781), (16623, 23927)]