722277

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{241}}^1$

素因数の和:290

約数の個数: 20

約数和(自身を含む): 1112716

約数和(自身を除く): 390439

約数列:

[1, 3, 9, 27, 37, 81, 111, 241, 333, 723, 999, 2169, 2997, 6507, 8917, 19521, 26751, 80253, 240759, 722277]

約数ペア:

[(1, 722277), (3, 240759), (9, 80253), (27, 26751), (37, 19521), (81, 8917), (111, 6507), (241, 2997), (333, 2169), (723, 999)]