25663209

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{367}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 40556544

約数和(自身を除く): 14893335

約数列:

[1, 3, 11, 13, 33, 39, 143, 163, 367, 429, 489, 1101, 1793, 2119, 4037, 4771, 5379, 6357, 12111, 14313, 23309, 52481, 59821, 69927, 157443, 179463, 658031, 777673, 1974093, 2333019, 8554403, 25663209]

約数ペア:

[(1, 25663209), (3, 8554403), (11, 2333019), (13, 1974093), (33, 777673), (39, 658031), (143, 179463), (163, 157443), (367, 69927), (429, 59821), (489, 52481), (1101, 23309), (1793, 14313), (2119, 12111), (4037, 6357), (4771, 5379)]