2891889

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1$

素因数の和:147

約数の個数: 64

約数和(自身を含む): 5806080

約数和(自身を除く): 2914191

約数列:

[1, 3, 7, 9, 11, 13, 21, 27, 33, 39, 63, 77, 91, 99, 107, 117, 143, 189, 231, 273, 297, 321, 351, 429, 693, 749, 819, 963, 1001, 1177, 1287, 1391, 2079, 2247, 2457, 2889, 3003, 3531, 3861, 4173, 6741, 8239, 9009, 9737, 10593, 12519, 15301, 20223, 24717, 27027, 29211, 31779, 37557, 45903, 74151, 87633, 107107, 137709, 222453, 262899, 321321, 413127, 963963, 2891889]

約数ペア:

[(1, 2891889), (3, 963963), (7, 413127), (9, 321321), (11, 262899), (13, 222453), (21, 137709), (27, 107107), (33, 87633), (39, 74151), (63, 45903), (77, 37557), (91, 31779), (99, 29211), (107, 27027), (117, 24717), (143, 20223), (189, 15301), (231, 12519), (273, 10593), (297, 9737), (321, 9009), (351, 8239), (429, 6741), (693, 4173), (749, 3861), (819, 3531), (963, 3003), (1001, 2889), (1177, 2457), (1287, 2247), (1391, 2079)]