25909221

素因数分解:

$3^1\times {\mathrm{13}}^3\times {\mathrm{3931}}^1$

素因数の和:3973

約数の個数: 16

約数和(自身を含む): 37432640

約数和(自身を除く): 11523419

約数列:

[1, 3, 13, 39, 169, 507, 2197, 3931, 6591, 11793, 51103, 153309, 664339, 1993017, 8636407, 25909221]

約数ペア:

[(1, 25909221), (3, 8636407), (13, 1993017), (39, 664339), (169, 153309), (507, 51103), (2197, 11793), (3931, 6591)]