31820409

素因数分解:

$3^2\times {\mathrm{107}}^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1$

素因数の和:477

約数の個数: 24

約数和(自身を含む): 46904832

約数和(自身を除く): 15084423

約数列:

[1, 3, 9, 107, 173, 191, 321, 519, 573, 963, 1557, 1719, 18511, 20437, 33043, 55533, 61311, 99129, 166599, 183933, 297387, 3535601, 10606803, 31820409]

約数ペア:

[(1, 31820409), (3, 10606803), (9, 3535601), (107, 297387), (173, 183933), (191, 166599), (321, 99129), (519, 61311), (573, 55533), (963, 33043), (1557, 20437), (1719, 18511)]