8520057

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 15445248

約数和(自身を除く): 6925191

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 101, 103, 117, 273, 303, 309, 707, 721, 819, 909, 927, 1313, 1339, 2121, 2163, 3939, 4017, 6363, 6489, 9191, 9373, 10403, 11817, 12051, 27573, 28119, 31209, 72821, 82719, 84357, 93627, 135239, 218463, 405717, 655389, 946673, 1217151, 2840019, 8520057]

約数ペア:

[(1, 8520057), (3, 2840019), (7, 1217151), (9, 946673), (13, 655389), (21, 405717), (39, 218463), (63, 135239), (91, 93627), (101, 84357), (103, 82719), (117, 72821), (273, 31209), (303, 28119), (309, 27573), (707, 12051), (721, 11817), (819, 10403), (909, 9373), (927, 9191), (1313, 6489), (1339, 6363), (2121, 4017), (2163, 3939)]