720560961

素因数分解:

$3^3\times {\mathrm{727}}^1\times {\mathrm{36709}}^1$

素因数の和:37445

約数の個数: 16

約数和(自身を含む): 1068995200

約数和(自身を除く): 348434239

約数列:

[1, 3, 9, 27, 727, 2181, 6543, 19629, 36709, 110127, 330381, 991143, 26687443, 80062329, 240186987, 720560961]

約数ペア:

[(1, 720560961), (3, 240186987), (9, 80062329), (27, 26687443), (727, 991143), (2181, 330381), (6543, 110127), (19629, 36709)]