28297107

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:182

約数の個数: 48

約数和(自身を含む): 45497088

約数和(自身を除く): 17199981

約数列:

[1, 3, 9, 23, 27, 61, 69, 81, 83, 183, 207, 243, 249, 549, 621, 747, 1403, 1647, 1863, 1909, 2241, 4209, 4941, 5063, 5589, 5727, 6723, 12627, 14823, 15189, 17181, 20169, 37881, 45567, 51543, 113643, 116449, 136701, 154629, 340929, 349347, 410103, 463887, 1048041, 1230309, 3144123, 9432369, 28297107]

約数ペア:

[(1, 28297107), (3, 9432369), (9, 3144123), (23, 1230309), (27, 1048041), (61, 463887), (69, 410103), (81, 349347), (83, 340929), (183, 154629), (207, 136701), (243, 116449), (249, 113643), (549, 51543), (621, 45567), (747, 37881), (1403, 20169), (1647, 17181), (1863, 15189), (1909, 14823), (2241, 12627), (4209, 6723), (4941, 5727), (5063, 5589)]