51145347

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 76640256

約数和(自身を除く): 25494909

約数列:

[1, 3, 11, 33, 71, 83, 213, 249, 263, 781, 789, 913, 2343, 2739, 2893, 5893, 8679, 17679, 18673, 21829, 56019, 64823, 65487, 194469, 205403, 240119, 616209, 720357, 1549859, 4649577, 17048449, 51145347]

約数ペア:

[(1, 51145347), (3, 17048449), (11, 4649577), (33, 1549859), (71, 720357), (83, 616209), (213, 240119), (249, 205403), (263, 194469), (781, 65487), (789, 64823), (913, 56019), (2343, 21829), (2739, 18673), (2893, 17679), (5893, 8679)]