3998997

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{4003}}^1$

素因数の和:4049

約数の個数: 16

約数和(自身を含む): 6086080

約数和(自身を除く): 2087083

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 4003, 12009, 36027, 108081, 148111, 444333, 1332999, 3998997]

約数ペア:

[(1, 3998997), (3, 1332999), (9, 444333), (27, 148111), (37, 108081), (111, 36027), (333, 12009), (999, 4003)]