3996999

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{4001}}^1$

素因数の和:4047

約数の個数: 16

約数和(自身を含む): 6083040

約数和(自身を除く): 2086041

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 4001, 12003, 36009, 108027, 148037, 444111, 1332333, 3996999]

約数ペア:

[(1, 3996999), (3, 1332333), (9, 444111), (27, 148037), (37, 108027), (111, 36009), (333, 12003), (999, 4001)]