2997999

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{3001}}^1$

素因数の和:3047

約数の個数: 16

約数和(自身を含む): 4563040

約数和(自身を除く): 1565041

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 3001, 9003, 27009, 81027, 111037, 333111, 999333, 2997999]

約数ペア:

[(1, 2997999), (3, 999333), (9, 333111), (27, 111037), (37, 81027), (111, 27009), (333, 9003), (999, 3001)]