16978059

素因数分解:

$3^3\times 7^2\times {\mathrm{41}}^1\times {\mathrm{313}}^1$

素因数の和:377

約数の個数: 48

約数和(自身を含む): 30068640

約数和(自身を除く): 13090581

約数列:

[1, 3, 7, 9, 21, 27, 41, 49, 63, 123, 147, 189, 287, 313, 369, 441, 861, 939, 1107, 1323, 2009, 2191, 2583, 2817, 6027, 6573, 7749, 8451, 12833, 15337, 18081, 19719, 38499, 46011, 54243, 59157, 89831, 115497, 138033, 269493, 346491, 414099, 628817, 808479, 1886451, 2425437, 5659353, 16978059]

約数ペア:

[(1, 16978059), (3, 5659353), (7, 2425437), (9, 1886451), (21, 808479), (27, 628817), (41, 414099), (49, 346491), (63, 269493), (123, 138033), (147, 115497), (189, 89831), (287, 59157), (313, 54243), (369, 46011), (441, 38499), (861, 19719), (939, 18081), (1107, 15337), (1323, 12833), (2009, 8451), (2191, 7749), (2583, 6573), (2817, 6027)]