209569143

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{232081}}^1$

素因数の和:232134

約数の個数: 16

約数和(自身を含む): 326771456

約数和(自身を除く): 117202313

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 232081, 696243, 1624567, 4873701, 9979483, 29938449, 69856381, 209569143]

約数ペア:

[(1, 209569143), (3, 69856381), (7, 29938449), (21, 9979483), (43, 4873701), (129, 1624567), (301, 696243), (903, 232081)]