55885557

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{761}}^1$

素因数の和:1053

約数の個数: 32

約数和(自身を含む): 92171520

約数和(自身を除く): 36285963

約数列:

[1, 3, 7, 13, 21, 39, 91, 269, 273, 761, 807, 1883, 2283, 3497, 5327, 5649, 9893, 10491, 15981, 24479, 29679, 69251, 73437, 204709, 207753, 614127, 1432963, 2661217, 4298889, 7983651, 18628519, 55885557]

約数ペア:

[(1, 55885557), (3, 18628519), (7, 7983651), (13, 4298889), (21, 2661217), (39, 1432963), (91, 614127), (269, 207753), (273, 204709), (761, 73437), (807, 69251), (1883, 29679), (2283, 24479), (3497, 15981), (5327, 10491), (5649, 9893)]