208601901

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{18587}}^1$

素因数の和:18665

約数の個数: 24

約数和(自身を含む): 318970080

約数和(自身を除く): 110368179

約数列:

[1, 3, 9, 29, 43, 87, 129, 261, 387, 1247, 3741, 11223, 18587, 55761, 167283, 539023, 799241, 1617069, 2397723, 4851207, 7193169, 23177989, 69533967, 208601901]

約数ペア:

[(1, 208601901), (3, 69533967), (9, 23177989), (29, 7193169), (43, 4851207), (87, 2397723), (129, 1617069), (261, 799241), (387, 539023), (1247, 167283), (3741, 55761), (11223, 18587)]