12725643

素因数分解:

$3^1\times 7^3\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:256

約数の個数: 32

約数和(自身を含む): 20160000

約数和(自身を除く): 7434357

約数列:

[1, 3, 7, 21, 49, 83, 147, 149, 249, 343, 447, 581, 1029, 1043, 1743, 3129, 4067, 7301, 12201, 12367, 21903, 28469, 37101, 51107, 85407, 86569, 153321, 259707, 605983, 1817949, 4241881, 12725643]

約数ペア:

[(1, 12725643), (3, 4241881), (7, 1817949), (21, 605983), (49, 259707), (83, 153321), (147, 86569), (149, 85407), (249, 51107), (343, 37101), (447, 28469), (581, 21903), (1029, 12367), (1043, 12201), (1743, 7301), (3129, 4067)]