90781173

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{12109}}^1$

素因数の和:12146

約数の個数: 36

約数和(自身を含む): 161523180

約数和(自身を除く): 70742007

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 153, 357, 441, 833, 1071, 2499, 7497, 12109, 36327, 84763, 108981, 205853, 254289, 593341, 617559, 762867, 1440971, 1780023, 1852677, 4322913, 5340069, 10086797, 12968739, 30260391, 90781173]

約数ペア:

[(1, 90781173), (3, 30260391), (7, 12968739), (9, 10086797), (17, 5340069), (21, 4322913), (49, 1852677), (51, 1780023), (63, 1440971), (119, 762867), (147, 617559), (153, 593341), (357, 254289), (441, 205853), (833, 108981), (1071, 84763), (2499, 36327), (7497, 12109)]