209980771

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{209771}}^1$

素因数の和:209802

約数の個数: 16

約数和(自身を含む): 281933568

約数和(自身を除く): 71952797

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 209771, 1468397, 2307481, 2727023, 16152367, 19089161, 29997253, 209980771]

約数ペア:

[(1, 209980771), (7, 29997253), (11, 19089161), (13, 16152367), (77, 2727023), (91, 2307481), (143, 1468397), (1001, 209771)]