18172881

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2897}}^1$

素因数の和:2961

約数の個数: 24

約数和(自身を含む): 28481544

約数和(自身を除く): 10308663

約数列:

[1, 3, 9, 17, 41, 51, 123, 153, 369, 697, 2091, 2897, 6273, 8691, 26073, 49249, 118777, 147747, 356331, 443241, 1068993, 2019209, 6057627, 18172881]

約数ペア:

[(1, 18172881), (3, 6057627), (9, 2019209), (17, 1068993), (41, 443241), (51, 356331), (123, 147747), (153, 118777), (369, 49249), (697, 26073), (2091, 8691), (2897, 6273)]