40890519

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{1297}}^1$

素因数の和:1447

約数の個数: 24

約数和(自身を含む): 61556352

約数和(自身を除く): 20665833

約数列:

[1, 3, 9, 31, 93, 113, 279, 339, 1017, 1297, 3503, 3891, 10509, 11673, 31527, 40207, 120621, 146561, 361863, 439683, 1319049, 4543391, 13630173, 40890519]

約数ペア:

[(1, 40890519), (3, 13630173), (9, 4543391), (31, 1319049), (93, 439683), (113, 361863), (279, 146561), (339, 120621), (1017, 40207), (1297, 31527), (3503, 11673), (3891, 10509)]