388679985

素因数分解:

$3^3\times 5^1\times {\mathrm{2879111}}^1$

素因数の和:2879125

約数の個数: 16

約数和(自身を含む): 690986880

約数和(自身を除く): 302306895

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 2879111, 8637333, 14395555, 25911999, 43186665, 77735997, 129559995, 388679985]

約数ペア:

[(1, 388679985), (3, 129559995), (5, 77735997), (9, 43186665), (15, 25911999), (27, 14395555), (45, 8637333), (135, 2879111)]