138287907

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{5849}}^1$

素因数の和:5963

約数の個数: 24

約数和(自身を含む): 208072800

約数和(自身を除く): 69784893

約数列:

[1, 3, 9, 37, 71, 111, 213, 333, 639, 2627, 5849, 7881, 17547, 23643, 52641, 216413, 415279, 649239, 1245837, 1947717, 3737511, 15365323, 46095969, 138287907]

約数ペア:

[(1, 138287907), (3, 46095969), (9, 15365323), (37, 3737511), (71, 1947717), (111, 1245837), (213, 649239), (333, 415279), (639, 216413), (2627, 52641), (5849, 23643), (7881, 17547)]