5221881

素因数分解:

$3^3\times 7^2\times {\mathrm{3947}}^1$

素因数の和:3970

約数の個数: 24

約数和(自身を含む): 9001440

約数和(自身を除く): 3779559

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 3947, 11841, 27629, 35523, 82887, 106569, 193403, 248661, 580209, 745983, 1740627, 5221881]

約数ペア:

[(1, 5221881), (3, 1740627), (7, 745983), (9, 580209), (21, 248661), (27, 193403), (49, 106569), (63, 82887), (147, 35523), (189, 27629), (441, 11841), (1323, 3947)]