399281121

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{883}}^1\times {\mathrm{1069}}^1$

素因数の和:2005

約数の個数: 24

約数和(自身を含む): 590229120

約数和(自身を除く): 190947999

約数列:

[1, 3, 9, 47, 141, 423, 883, 1069, 2649, 3207, 7947, 9621, 41501, 50243, 124503, 150729, 373509, 452187, 943927, 2831781, 8495343, 44364569, 133093707, 399281121]

約数ペア:

[(1, 399281121), (3, 133093707), (9, 44364569), (47, 8495343), (141, 2831781), (423, 943927), (883, 452187), (1069, 373509), (2649, 150729), (3207, 124503), (7947, 50243), (9621, 41501)]