131178579

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{9931}}^1$

素因数の和:9995

約数の個数: 32

約数和(自身を含む): 217391616

約数和(自身を除く): 86213037

約数列:

[1, 3, 7, 17, 21, 37, 51, 111, 119, 259, 357, 629, 777, 1887, 4403, 9931, 13209, 29793, 69517, 168827, 208551, 367447, 506481, 1102341, 1181789, 2572129, 3545367, 6246599, 7716387, 18739797, 43726193, 131178579]

約数ペア:

[(1, 131178579), (3, 43726193), (7, 18739797), (17, 7716387), (21, 6246599), (37, 3545367), (51, 2572129), (111, 1181789), (119, 1102341), (259, 506481), (357, 367447), (629, 208551), (777, 168827), (1887, 69517), (4403, 29793), (9931, 13209)]