221323239

素因数分解:

$3^3\times {\mathrm{313}}^1\times {\mathrm{26189}}^1$

素因数の和:26511

約数の個数: 16

約数和(自身を含む): 328946400

約数和(自身を除く): 107623161

約数列:

[1, 3, 9, 27, 313, 939, 2817, 8451, 26189, 78567, 235701, 707103, 8197157, 24591471, 73774413, 221323239]

約数ペア:

[(1, 221323239), (3, 73774413), (9, 24591471), (27, 8197157), (313, 707103), (939, 235701), (2817, 78567), (8451, 26189)]