81687636

素因数分解:

$2^2\times 3^3\times {\mathrm{193}}^1\times {\mathrm{3919}}^1$

素因数の和:4125

約数の個数: 48

約数和(自身を含む): 212934400

約数和(自身を除く): 131246764

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 193, 386, 579, 772, 1158, 1737, 2316, 3474, 3919, 5211, 6948, 7838, 10422, 11757, 15676, 20844, 23514, 35271, 47028, 70542, 105813, 141084, 211626, 423252, 756367, 1512734, 2269101, 3025468, 4538202, 6807303, 9076404, 13614606, 20421909, 27229212, 40843818, 81687636]

約数ペア:

[(1, 81687636), (2, 40843818), (3, 27229212), (4, 20421909), (6, 13614606), (9, 9076404), (12, 6807303), (18, 4538202), (27, 3025468), (36, 2269101), (54, 1512734), (108, 756367), (193, 423252), (386, 211626), (579, 141084), (772, 105813), (1158, 70542), (1737, 47028), (2316, 35271), (3474, 23514), (3919, 20844), (5211, 15676), (6948, 11757), (7838, 10422)]