91216881

素因数分解:

$3^3\times 7^2\times {\mathrm{68947}}^1$

素因数の和:68970

約数の個数: 24

約数和(自身を含む): 157201440

約数和(自身を除く): 65984559

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 68947, 206841, 482629, 620523, 1447887, 1861569, 3378403, 4343661, 10135209, 13030983, 30405627, 91216881]

約数ペア:

[(1, 91216881), (3, 30405627), (7, 13030983), (9, 10135209), (21, 4343661), (27, 3378403), (49, 1861569), (63, 1447887), (147, 620523), (189, 482629), (441, 206841), (1323, 68947)]