667329

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:328

約数の個数: 16

約数和(自身を含む): 975744

約数和(自身を除く): 308415

約数列:

[1, 3, 13, 39, 71, 213, 241, 723, 923, 2769, 3133, 9399, 17111, 51333, 222443, 667329]

約数ペア:

[(1, 667329), (3, 222443), (13, 51333), (39, 17111), (71, 9399), (213, 3133), (241, 2769), (723, 923)]