25131821

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{1229}}^1$

素因数の和:1277

約数の個数: 18

約数和(自身を含む): 29936970

約数和(自身を除く): 4805149

約数列:

[1, 11, 13, 121, 143, 169, 1229, 1573, 1859, 13519, 15977, 20449, 148709, 175747, 207701, 1933217, 2284711, 25131821]

約数ペア:

[(1, 25131821), (11, 2284711), (13, 1933217), (121, 207701), (143, 175747), (169, 148709), (1229, 20449), (1573, 15977), (1859, 13519)]