519999

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:214

約数の個数: 16

約数和(自身を含む): 739200

約数和(自身を除く): 219201

約数列:

[1, 3, 29, 43, 87, 129, 139, 417, 1247, 3741, 4031, 5977, 12093, 17931, 173333, 519999]

約数ペア:

[(1, 519999), (3, 173333), (29, 17931), (43, 12093), (87, 5977), (129, 4031), (139, 3741), (417, 1247)]