123020163

素因数分解:

$3^2\times 7^1\times {\mathrm{449}}^1\times {\mathrm{4349}}^1$

素因数の和:4811

約数の個数: 24

約数和(自身を含む): 203580000

約数和(自身を除く): 80559837

約数列:

[1, 3, 7, 9, 21, 63, 449, 1347, 3143, 4041, 4349, 9429, 13047, 28287, 30443, 39141, 91329, 273987, 1952701, 5858103, 13668907, 17574309, 41006721, 123020163]

約数ペア:

[(1, 123020163), (3, 41006721), (7, 17574309), (9, 13668907), (21, 5858103), (63, 1952701), (449, 273987), (1347, 91329), (3143, 39141), (4041, 30443), (4349, 28287), (9429, 13047)]