2149440027

素因数分解:

$3^1\times 7^4\times {\mathrm{298409}}^1$

素因数の和:298440

約数の個数: 20

約数和(自身を含む): 3343385640

約数和(自身を除く): 1193945613

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 7203, 298409, 895227, 2088863, 6266589, 14622041, 43866123, 102354287, 307062861, 716480009, 2149440027]

約数ペア:

[(1, 2149440027), (3, 716480009), (7, 307062861), (21, 102354287), (49, 43866123), (147, 14622041), (343, 6266589), (1029, 2088863), (2401, 895227), (7203, 298409)]