12131931

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{1999}}^1$

素因数の和:2043

約数の個数: 24

約数和(自身を含む): 19648000

約数和(自身を除く): 7516069

約数列:

[1, 3, 7, 17, 21, 51, 119, 289, 357, 867, 1999, 2023, 5997, 6069, 13993, 33983, 41979, 101949, 237881, 577711, 713643, 1733133, 4043977, 12131931]

約数ペア:

[(1, 12131931), (3, 4043977), (7, 1733133), (17, 713643), (21, 577711), (51, 237881), (119, 101949), (289, 41979), (357, 33983), (867, 13993), (1999, 6069), (2023, 5997)]