321593571

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{305407}}^1$

素因数の和:305432

約数の個数: 20

約数和(自身を含む): 517361152

約数和(自身を除く): 195767581

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 305407, 916221, 2748663, 3970291, 8245989, 11910873, 24737967, 35732619, 107197857, 321593571]

約数ペア:

[(1, 321593571), (3, 107197857), (9, 35732619), (13, 24737967), (27, 11910873), (39, 8245989), (81, 3970291), (117, 2748663), (351, 916221), (1053, 305407)]