31121259

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41999}}^1$

素因数の和:42034

約数の個数: 16

約数和(自身を含む): 47040000

約数和(自身を除く): 15918741

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 41999, 125997, 545987, 797981, 1637961, 2393943, 10373753, 31121259]

約数ペア:

[(1, 31121259), (3, 10373753), (13, 2393943), (19, 1637961), (39, 797981), (57, 545987), (247, 125997), (741, 41999)]