28725885

素因数分解:

$3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{7691}}^1$

素因数の和:7785

約数の個数: 24

約数和(自身を含む): 50397984

約数和(自身を除く): 21672099

約数列:

[1, 3, 5, 9, 15, 45, 83, 249, 415, 747, 1245, 3735, 7691, 23073, 38455, 69219, 115365, 346095, 638353, 1915059, 3191765, 5745177, 9575295, 28725885]

約数ペア:

[(1, 28725885), (3, 9575295), (5, 5745177), (9, 3191765), (15, 1915059), (45, 638353), (83, 346095), (249, 115365), (415, 69219), (747, 38455), (1245, 23073), (3735, 7691)]