210009891

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1223}}^1$

素因数の和:1300

約数の個数: 64

約数和(自身を含む): 375072768

約数和(自身を除く): 165062877

約数列:

[1, 3, 7, 13, 17, 21, 37, 39, 51, 91, 111, 119, 221, 259, 273, 357, 481, 629, 663, 777, 1223, 1443, 1547, 1887, 3367, 3669, 4403, 4641, 8177, 8561, 10101, 13209, 15899, 20791, 24531, 25683, 45251, 47697, 57239, 62373, 111293, 135753, 145537, 171717, 270283, 316757, 333879, 436611, 588263, 769267, 810849, 950271, 1764789, 1891981, 2307801, 4117841, 5384869, 5675943, 10000471, 12353523, 16154607, 30001413, 70003297, 210009891]

約数ペア:

[(1, 210009891), (3, 70003297), (7, 30001413), (13, 16154607), (17, 12353523), (21, 10000471), (37, 5675943), (39, 5384869), (51, 4117841), (91, 2307801), (111, 1891981), (119, 1764789), (221, 950271), (259, 810849), (273, 769267), (357, 588263), (481, 436611), (629, 333879), (663, 316757), (777, 270283), (1223, 171717), (1443, 145537), (1547, 135753), (1887, 111293), (3367, 62373), (3669, 57239), (4403, 47697), (4641, 45251), (8177, 25683), (8561, 24531), (10101, 20791), (13209, 15899)]