84891321

素因数分解:

$3^6\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:185

約数の個数: 56

約数和(自身を含む): 136616256

約数和(自身を除く): 51724935

約数列:

[1, 3, 9, 23, 27, 61, 69, 81, 83, 183, 207, 243, 249, 549, 621, 729, 747, 1403, 1647, 1863, 1909, 2241, 4209, 4941, 5063, 5589, 5727, 6723, 12627, 14823, 15189, 16767, 17181, 20169, 37881, 44469, 45567, 51543, 60507, 113643, 116449, 136701, 154629, 340929, 349347, 410103, 463887, 1022787, 1048041, 1230309, 1391661, 3144123, 3690927, 9432369, 28297107, 84891321]

約数ペア:

[(1, 84891321), (3, 28297107), (9, 9432369), (23, 3690927), (27, 3144123), (61, 1391661), (69, 1230309), (81, 1048041), (83, 1022787), (183, 463887), (207, 410103), (243, 349347), (249, 340929), (549, 154629), (621, 136701), (729, 116449), (747, 113643), (1403, 60507), (1647, 51543), (1863, 45567), (1909, 44469), (2241, 37881), (4209, 20169), (4941, 17181), (5063, 16767), (5589, 15189), (5727, 14823), (6723, 12627)]