19764027

素因数分解:

$3^3\times {\mathrm{359}}^1\times {\mathrm{2039}}^1$

素因数の和:2407

約数の個数: 16

約数和(自身を含む): 29376000

約数和(自身を除く): 9611973

約数列:

[1, 3, 9, 27, 359, 1077, 2039, 3231, 6117, 9693, 18351, 55053, 732001, 2196003, 6588009, 19764027]

約数ペア:

[(1, 19764027), (3, 6588009), (9, 2196003), (27, 732001), (359, 55053), (1077, 18351), (2039, 9693), (3231, 6117)]