87868881

素因数分解:

$3^4\times {\mathrm{887}}^1\times {\mathrm{1223}}^1$

素因数の和:2122

約数の個数: 20

約数和(自身を含む): 131516352

約数和(自身を除く): 43647471

約数列:

[1, 3, 9, 27, 81, 887, 1223, 2661, 3669, 7983, 11007, 23949, 33021, 71847, 99063, 1084801, 3254403, 9763209, 29289627, 87868881]

約数ペア:

[(1, 87868881), (3, 29289627), (9, 9763209), (27, 3254403), (81, 1084801), (887, 99063), (1223, 71847), (2661, 33021), (3669, 23949), (7983, 11007)]