123239871

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{839}}^1\times {\mathrm{859}}^1$

素因数の和:1723

約数の個数: 24

約数和(自身を含む): 187824000

約数和(自身を除く): 64584129

約数列:

[1, 3, 9, 19, 57, 171, 839, 859, 2517, 2577, 7551, 7731, 15941, 16321, 47823, 48963, 143469, 146889, 720701, 2162103, 6486309, 13693319, 41079957, 123239871]

約数ペア:

[(1, 123239871), (3, 41079957), (9, 13693319), (19, 6486309), (57, 2162103), (171, 720701), (839, 146889), (859, 143469), (2517, 48963), (2577, 47823), (7551, 16321), (7731, 15941)]