129639657

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{212873}}^1$

素因数の和:212912

約数の個数: 16

約数和(自身を含む): 204359040

約数和(自身を除く): 74719383

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 212873, 638619, 1490111, 4470333, 6173317, 18519951, 43213219, 129639657]

約数ペア:

[(1, 129639657), (3, 43213219), (7, 18519951), (21, 6173317), (29, 4470333), (87, 1490111), (203, 638619), (609, 212873)]