312751521

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{489439}}^1$

素因数の和:489516

約数の個数: 12

約数和(自身を含む): 458115840

約数和(自身を除く): 145364319

約数列:

[1, 3, 9, 71, 213, 639, 489439, 1468317, 4404951, 34750169, 104250507, 312751521]

約数ペア:

[(1, 312751521), (3, 104250507), (9, 34750169), (71, 4404951), (213, 1468317), (639, 489439)]