648045489

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1459}}^1\times {\mathrm{1627}}^1$

素因数の和:3109

約数の個数: 32

約数和(自身を含む): 1064842240

約数和(自身を除く): 416796751

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 1459, 1627, 4377, 4881, 10213, 11389, 18967, 21151, 30639, 34167, 56901, 63453, 132769, 148057, 398307, 444171, 2373793, 7121379, 16616551, 30859309, 49849653, 92577927, 216015163, 648045489]

約数ペア:

[(1, 648045489), (3, 216015163), (7, 92577927), (13, 49849653), (21, 30859309), (39, 16616551), (91, 7121379), (273, 2373793), (1459, 444171), (1627, 398307), (4377, 148057), (4881, 132769), (10213, 63453), (11389, 56901), (18967, 34167), (21151, 30639)]