1398881337

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1624717}}^1$

素因数の和:1624768

約数の個数: 16

約数和(自身を含む): 2183620992

約数和(自身を除く): 784739655

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 1624717, 4874151, 11373019, 34119057, 66613397, 199840191, 466293779, 1398881337]

約数ペア:

[(1, 1398881337), (3, 466293779), (7, 199840191), (21, 66613397), (41, 34119057), (123, 11373019), (287, 4874151), (861, 1624717)]