518967

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:204

約数の個数: 20

約数和(自身を含む): 798600

約数和(自身を除く): 279633

約数列:

[1, 3, 9, 27, 43, 81, 129, 149, 387, 447, 1161, 1341, 3483, 4023, 6407, 12069, 19221, 57663, 172989, 518967]

約数ペア:

[(1, 518967), (3, 172989), (9, 57663), (27, 19221), (43, 12069), (81, 6407), (129, 4023), (149, 3483), (387, 1341), (447, 1161)]