261456723

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{677}}^1$

素因数の和:824

約数の個数: 48

約数和(自身を含む): 426456576

約数和(自身を除く): 164999853

約数列:

[1, 3, 9, 11, 33, 47, 83, 99, 141, 249, 423, 517, 677, 747, 913, 1551, 2031, 2739, 3901, 4653, 6093, 7447, 8217, 11703, 22341, 31819, 35109, 42911, 56191, 67023, 95457, 128733, 168573, 286371, 350009, 386199, 505719, 618101, 1050027, 1854303, 2640977, 3150081, 5562909, 7922931, 23768793, 29050747, 87152241, 261456723]

約数ペア:

[(1, 261456723), (3, 87152241), (9, 29050747), (11, 23768793), (33, 7922931), (47, 5562909), (83, 3150081), (99, 2640977), (141, 1854303), (249, 1050027), (423, 618101), (517, 505719), (677, 386199), (747, 350009), (913, 286371), (1551, 168573), (2031, 128733), (2739, 95457), (3901, 67023), (4653, 56191), (6093, 42911), (7447, 35109), (8217, 31819), (11703, 22341)]