220174101

素因数分解:

$3^2\times 7^4\times {\mathrm{23}}^1\times {\mathrm{443}}^1$

素因数の和:500

約数の個数: 60

約数和(自身を含む): 388016928

約数和(自身を除く): 167842827

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 343, 441, 443, 483, 1029, 1127, 1329, 1449, 2401, 3087, 3101, 3381, 3987, 7203, 7889, 9303, 10143, 10189, 21609, 21707, 23667, 27909, 30567, 55223, 65121, 71001, 71323, 91701, 151949, 165669, 195363, 213969, 455847, 497007, 499261, 641907, 1063643, 1367541, 1497783, 3190929, 3494827, 4493349, 9572787, 10484481, 24463789, 31453443, 73391367, 220174101]

約数ペア:

[(1, 220174101), (3, 73391367), (7, 31453443), (9, 24463789), (21, 10484481), (23, 9572787), (49, 4493349), (63, 3494827), (69, 3190929), (147, 1497783), (161, 1367541), (207, 1063643), (343, 641907), (441, 499261), (443, 497007), (483, 455847), (1029, 213969), (1127, 195363), (1329, 165669), (1449, 151949), (2401, 91701), (3087, 71323), (3101, 71001), (3381, 65121), (3987, 55223), (7203, 30567), (7889, 27909), (9303, 23667), (10143, 21707), (10189, 21609)]