40002891

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{1723}}^1$

素因数の和:1906

約数の個数: 16

約数和(自身を含む): 54616320

約数和(自身を除く): 14613429

約数列:

[1, 3, 71, 109, 213, 327, 1723, 5169, 7739, 23217, 122333, 187807, 366999, 563421, 13334297, 40002891]

約数ペア:

[(1, 40002891), (3, 13334297), (71, 563421), (109, 366999), (213, 187807), (327, 122333), (1723, 23217), (5169, 7739)]