640839111

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{1033}}^1\times {\mathrm{1709}}^1$

素因数の和:2767

約数の個数: 24

約数和(自身を含む): 940650480

約数和(自身を除く): 299811369

約数列:

[1, 3, 11, 33, 121, 363, 1033, 1709, 3099, 5127, 11363, 18799, 34089, 56397, 124993, 206789, 374979, 620367, 1765397, 5296191, 19419367, 58258101, 213613037, 640839111]

約数ペア:

[(1, 640839111), (3, 213613037), (11, 58258101), (33, 19419367), (121, 5296191), (363, 1765397), (1033, 620367), (1709, 374979), (3099, 206789), (5127, 124993), (11363, 56397), (18799, 34089)]