51373287

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{19889}}^1$

素因数の和:19943

約数の個数: 24

約数和(自身を含む): 86879520

約数和(自身を除く): 35506233

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 19889, 59667, 139223, 179001, 417669, 815449, 1253007, 2446347, 5708143, 7339041, 17124429, 51373287]

約数ペア:

[(1, 51373287), (3, 17124429), (7, 7339041), (9, 5708143), (21, 2446347), (41, 1253007), (63, 815449), (123, 417669), (287, 179001), (369, 139223), (861, 59667), (2583, 19889)]