7172991

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2777}}^1$

素因数の和:2831

約数の個数: 24

約数和(自身を含む): 12134304

約数和(自身を除く): 4961313

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 2777, 8331, 19439, 24993, 58317, 113857, 174951, 341571, 796999, 1024713, 2390997, 7172991]

約数ペア:

[(1, 7172991), (3, 2390997), (7, 1024713), (9, 796999), (21, 341571), (41, 174951), (63, 113857), (123, 58317), (287, 24993), (369, 19439), (861, 8331), (2583, 2777)]