2893401

素因数分解:

$3^{10}\times 7^2$

素因数の和:44

約数の個数: 33

約数和(自身を含む): 5048661

約数和(自身を除く): 2155260

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 567, 729, 1323, 1701, 2187, 3969, 5103, 6561, 11907, 15309, 19683, 35721, 45927, 59049, 107163, 137781, 321489, 413343, 964467, 2893401]

約数ペア:

[(1, 2893401), (3, 964467), (7, 413343), (9, 321489), (21, 137781), (27, 107163), (49, 59049), (63, 45927), (81, 35721), (147, 19683), (189, 15309), (243, 11907), (441, 6561), (567, 5103), (729, 3969), (1323, 2187)]