68712021

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{10589}}^1$

素因数の和:10705

約数の個数: 24

約数和(自身を含む): 114541440

約数和(自身を除く): 45829419

約数列:

[1, 3, 7, 9, 21, 63, 103, 309, 721, 927, 2163, 6489, 10589, 31767, 74123, 95301, 222369, 667107, 1090667, 3272001, 7634669, 9816003, 22904007, 68712021]

約数ペア:

[(1, 68712021), (3, 22904007), (7, 9816003), (9, 7634669), (21, 3272001), (63, 1090667), (103, 667107), (309, 222369), (721, 95301), (927, 74123), (2163, 31767), (6489, 10589)]