1689471

素因数分解:

$3^3\times 7^2\times {\mathrm{1277}}^1$

素因数の和:1300

約数の個数: 24

約数和(自身を含む): 2913840

約数和(自身を除く): 1224369

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1277, 1323, 3831, 8939, 11493, 26817, 34479, 62573, 80451, 187719, 241353, 563157, 1689471]

約数ペア:

[(1, 1689471), (3, 563157), (7, 241353), (9, 187719), (21, 80451), (27, 62573), (49, 34479), (63, 26817), (147, 11493), (189, 8939), (441, 3831), (1277, 1323)]