206528511

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^2\times {\mathrm{859}}^1$

素因数の和:1083

約数の個数: 24

約数和(自身を含む): 318048640

約数和(自身を除く): 111520129

約数列:

[1, 3, 7, 21, 107, 321, 749, 859, 2247, 2577, 6013, 11449, 18039, 34347, 80143, 91913, 240429, 275739, 643391, 1930173, 9834691, 29504073, 68842837, 206528511]

約数ペア:

[(1, 206528511), (3, 68842837), (7, 29504073), (21, 9834691), (107, 1930173), (321, 643391), (749, 275739), (859, 240429), (2247, 91913), (2577, 80143), (6013, 34347), (11449, 18039)]