81066727

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{317}}^1$

素因数の和:655

約数の個数: 24

約数和(自身を含む): 100490544

約数和(自身を除く): 19423817

約数列:

[1, 7, 17, 49, 119, 307, 317, 833, 2149, 2219, 5219, 5389, 15043, 15533, 36533, 37723, 97319, 255731, 264061, 681233, 1654423, 4768631, 11580961, 81066727]

約数ペア:

[(1, 81066727), (7, 11580961), (17, 4768631), (49, 1654423), (119, 681233), (307, 264061), (317, 255731), (833, 97319), (2149, 37723), (2219, 36533), (5219, 15533), (5389, 15043)]