209432853

素因数分解:

$3^2\times 7^1\times {\mathrm{1289}}^1\times {\mathrm{2579}}^1$

素因数の和:3881

約数の個数: 24

約数和(自身を含む): 346132800

約数和(自身を除く): 136699947

約数列:

[1, 3, 7, 9, 21, 63, 1289, 2579, 3867, 7737, 9023, 11601, 18053, 23211, 27069, 54159, 81207, 162477, 3324331, 9972993, 23270317, 29918979, 69810951, 209432853]

約数ペア:

[(1, 209432853), (3, 69810951), (7, 29918979), (9, 23270317), (21, 9972993), (63, 3324331), (1289, 162477), (2579, 81207), (3867, 54159), (7737, 27069), (9023, 23211), (11601, 18053)]