23851971

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 41513472

約数和(自身を除く): 17661501

約数列:

[1, 3, 9, 11, 13, 33, 39, 43, 99, 117, 129, 143, 387, 429, 431, 473, 559, 1287, 1293, 1419, 1677, 3879, 4257, 4741, 5031, 5603, 6149, 14223, 16809, 18447, 18533, 42669, 50427, 55341, 55599, 61633, 166797, 184899, 203863, 240929, 554697, 611589, 722787, 1834767, 2168361, 2650219, 7950657, 23851971]

約数ペア:

[(1, 23851971), (3, 7950657), (9, 2650219), (11, 2168361), (13, 1834767), (33, 722787), (39, 611589), (43, 554697), (99, 240929), (117, 203863), (129, 184899), (143, 166797), (387, 61633), (429, 55599), (431, 55341), (473, 50427), (559, 42669), (1287, 18533), (1293, 18447), (1419, 16809), (1677, 14223), (3879, 6149), (4257, 5603), (4741, 5031)]