20187027

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{5431}}^1$

素因数の和:5503

約数の個数: 24

約数和(自身を含む): 33895680

約数和(自身を除く): 13708653

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 413, 531, 1239, 3717, 5431, 16293, 38017, 48879, 114051, 320429, 342153, 961287, 2243003, 2883861, 6729009, 20187027]

約数ペア:

[(1, 20187027), (3, 6729009), (7, 2883861), (9, 2243003), (21, 961287), (59, 342153), (63, 320429), (177, 114051), (413, 48879), (531, 38017), (1239, 16293), (3717, 5431)]