87751881

素因数分解:

$3^2\times 7^1\times {\mathrm{701}}^1\times {\mathrm{1987}}^1$

素因数の和:2701

約数の個数: 24

約数和(自身を含む): 145139904

約数和(自身を除く): 57388023

約数列:

[1, 3, 7, 9, 21, 63, 701, 1987, 2103, 4907, 5961, 6309, 13909, 14721, 17883, 41727, 44163, 125181, 1392887, 4178661, 9750209, 12535983, 29250627, 87751881]

約数ペア:

[(1, 87751881), (3, 29250627), (7, 12535983), (9, 9750209), (21, 4178661), (63, 1392887), (701, 125181), (1987, 44163), (2103, 41727), (4907, 17883), (5961, 14721), (6309, 13909)]