259969419

素因数分解:

$3^6\times {\mathrm{19}}^1\times {\mathrm{137}}^2$

素因数の和:311

約数の個数: 42

約数和(自身を含む): 413307020

約数和(自身を除く): 153337601

約数列:

[1, 3, 9, 19, 27, 57, 81, 137, 171, 243, 411, 513, 729, 1233, 1539, 2603, 3699, 4617, 7809, 11097, 13851, 18769, 23427, 33291, 56307, 70281, 99873, 168921, 210843, 356611, 506763, 632529, 1069833, 1520289, 1897587, 3209499, 4560867, 9628497, 13682601, 28885491, 86656473, 259969419]

約数ペア:

[(1, 259969419), (3, 86656473), (9, 28885491), (19, 13682601), (27, 9628497), (57, 4560867), (81, 3209499), (137, 1897587), (171, 1520289), (243, 1069833), (411, 632529), (513, 506763), (729, 356611), (1233, 210843), (1539, 168921), (2603, 99873), (3699, 70281), (4617, 56307), (7809, 33291), (11097, 23427), (13851, 18769)]