40009389

素因数分解:

$3^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{2963}}^1$

素因数の和:3616

約数の個数: 16

約数和(自身を含む): 61082112

約数和(自身を除く): 21072723

約数列:

[1, 3, 7, 21, 643, 1929, 2963, 4501, 8889, 13503, 20741, 62223, 1905209, 5715627, 13336463, 40009389]

約数ペア:

[(1, 40009389), (3, 13336463), (7, 5715627), (21, 1905209), (643, 62223), (1929, 20741), (2963, 13503), (4501, 8889)]