26040609

素因数分解:

$3^{12}\times 7^2$

素因数の和:50

約数の個数: 39

約数和(自身を含む): 45438177

約数和(自身を除く): 19397568

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, 177147, 321489, 413343, 531441, 964467, 1240029, 2893401, 3720087, 8680203, 26040609]

約数ペア:

[(1, 26040609), (3, 8680203), (7, 3720087), (9, 2893401), (21, 1240029), (27, 964467), (49, 531441), (63, 413343), (81, 321489), (147, 177147), (189, 137781), (243, 107163), (441, 59049), (567, 45927), (729, 35721), (1323, 19683), (1701, 15309), (2187, 11907), (3969, 6561)]