42408279

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{16889}}^1$

素因数の和:16932

約数の個数: 20

約数和(自身を含む): 65398080

約数和(自身を除く): 22989801

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 16889, 50667, 152001, 456003, 523559, 1368009, 1570677, 4712031, 14136093, 42408279]

約数ペア:

[(1, 42408279), (3, 14136093), (9, 4712031), (27, 1570677), (31, 1368009), (81, 523559), (93, 456003), (279, 152001), (837, 50667), (2511, 16889)]