161875161

素因数分解:

$3^2\times 7^1\times {\mathrm{1039}}^1\times {\mathrm{2473}}^1$

素因数の和:3525

約数の個数: 24

約数和(自身を含む): 267587840

約数和(自身を除く): 105712679

約数列:

[1, 3, 7, 9, 21, 63, 1039, 2473, 3117, 7273, 7419, 9351, 17311, 21819, 22257, 51933, 65457, 155799, 2569447, 7708341, 17986129, 23125023, 53958387, 161875161]

約数ペア:

[(1, 161875161), (3, 53958387), (7, 23125023), (9, 17986129), (21, 7708341), (63, 2569447), (1039, 155799), (2473, 65457), (3117, 51933), (7273, 22257), (7419, 21819), (9351, 17311)]