206807769

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{25447}}^1$

素因数の和:25506

約数の個数: 32

約数和(自身を含む): 358307840

約数和(自身を除く): 151500071

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 903, 1161, 2709, 8127, 25447, 76341, 178129, 229023, 534387, 687069, 1094221, 1603161, 3282663, 4809483, 7659547, 9847989, 22978641, 29543967, 68935923, 206807769]

約数ペア:

[(1, 206807769), (3, 68935923), (7, 29543967), (9, 22978641), (21, 9847989), (27, 7659547), (43, 4809483), (63, 3282663), (129, 1603161), (189, 1094221), (301, 687069), (387, 534387), (903, 229023), (1161, 178129), (2709, 76341), (8127, 25447)]