204806979

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{40709}}^1$

素因数の和:40771

約数の個数: 24

約数和(自身を含む): 326005680

約数和(自身を除く): 121198701

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1677, 5031, 40709, 122127, 366381, 529217, 1587651, 1750487, 4762953, 5251461, 15754383, 22756331, 68268993, 204806979]

約数ペア:

[(1, 204806979), (3, 68268993), (9, 22756331), (13, 15754383), (39, 5251461), (43, 4762953), (117, 1750487), (129, 1587651), (387, 529217), (559, 366381), (1677, 122127), (5031, 40709)]