639331335

素因数分解:

$3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{111869}}^1$

素因数の和:112007

約数の個数: 24

約数和(自身を含む): 1116910080

約数和(自身を除く): 477578745

約数列:

[1, 3, 5, 9, 15, 45, 127, 381, 635, 1143, 1905, 5715, 111869, 335607, 559345, 1006821, 1678035, 5034105, 14207363, 42622089, 71036815, 127866267, 213110445, 639331335]

約数ペア:

[(1, 639331335), (3, 213110445), (5, 127866267), (9, 71036815), (15, 42622089), (45, 14207363), (127, 5034105), (381, 1678035), (635, 1006821), (1143, 559345), (1905, 335607), (5715, 111869)]