40979709

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{21377}}^1$

素因数の和:21457

約数の個数: 16

約数和(自身を含む): 61568640

約数和(自身を除く): 20588931

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 21377, 64131, 192393, 577179, 1517767, 4553301, 13659903, 40979709]

約数ペア:

[(1, 40979709), (3, 13659903), (9, 4553301), (27, 1517767), (71, 577179), (213, 192393), (639, 64131), (1917, 21377)]