12872781

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:146

約数の個数: 48

約数和(自身を含む): 20866560

約数和(自身を除く): 7993779

約数列:

[1, 3, 9, 29, 31, 37, 43, 87, 93, 111, 129, 261, 279, 333, 387, 899, 1073, 1147, 1247, 1333, 1591, 2697, 3219, 3441, 3741, 3999, 4773, 8091, 9657, 10323, 11223, 11997, 14319, 33263, 38657, 46139, 49321, 99789, 115971, 138417, 147963, 299367, 347913, 415251, 443889, 1430309, 4290927, 12872781]

約数ペア:

[(1, 12872781), (3, 4290927), (9, 1430309), (29, 443889), (31, 415251), (37, 347913), (43, 299367), (87, 147963), (93, 138417), (111, 115971), (129, 99789), (261, 49321), (279, 46139), (333, 38657), (387, 33263), (899, 14319), (1073, 11997), (1147, 11223), (1247, 10323), (1333, 9657), (1591, 8091), (2697, 4773), (3219, 3999), (3441, 3741)]