720295578

素因数分解:

$2^1\times 3^4\times {\mathrm{4446269}}^1$

素因数の和:4446283

約数の個数: 20

約数和(自身を含む): 1613996010

約数和(自身を除く): 893700432

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 4446269, 8892538, 13338807, 26677614, 40016421, 80032842, 120049263, 240098526, 360147789, 720295578]

約数ペア:

[(1, 720295578), (2, 360147789), (3, 240098526), (6, 120049263), (9, 80032842), (18, 40016421), (27, 26677614), (54, 13338807), (81, 8892538), (162, 4446269)]