1640243493

素因数分解:

$3^3\times 7^3\times {\mathrm{177113}}^1$

素因数の和:177143

約数の個数: 32

約数和(自身を含む): 2833824000

約数和(自身を除く): 1193580507

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 343, 441, 1029, 1323, 3087, 9261, 177113, 531339, 1239791, 1594017, 3719373, 4782051, 8678537, 11158119, 26035611, 33474357, 60749759, 78106833, 182249277, 234320499, 546747831, 1640243493]

約数ペア:

[(1, 1640243493), (3, 546747831), (7, 234320499), (9, 182249277), (21, 78106833), (27, 60749759), (49, 33474357), (63, 26035611), (147, 11158119), (189, 8678537), (343, 4782051), (441, 3719373), (1029, 1594017), (1323, 1239791), (3087, 531339), (9261, 177113)]