209225819

素因数分解:

${\mathrm{11}}^2\times {\mathrm{83}}^2\times {\mathrm{251}}^1$

素因数の和:439

約数の個数: 18

約数和(自身を含む): 233707068

約数和(自身を除く): 24481249

約数列:

[1, 11, 83, 121, 251, 913, 2761, 6889, 10043, 20833, 30371, 75779, 229163, 833569, 1729139, 2520793, 19020529, 209225819]

約数ペア:

[(1, 209225819), (11, 19020529), (83, 2520793), (121, 1729139), (251, 833569), (913, 229163), (2761, 75779), (6889, 30371), (10043, 20833)]