242943813

素因数分解:

$3^3\times 7^3\times {\mathrm{37}}^1\times {\mathrm{709}}^1$

素因数の和:776

約数の個数: 64

約数和(自身を含む): 431680000

約数和(自身を除く): 188736187

約数列:

[1, 3, 7, 9, 21, 27, 37, 49, 63, 111, 147, 189, 259, 333, 343, 441, 709, 777, 999, 1029, 1323, 1813, 2127, 2331, 3087, 4963, 5439, 6381, 6993, 9261, 12691, 14889, 16317, 19143, 26233, 34741, 38073, 44667, 48951, 78699, 104223, 114219, 134001, 183631, 236097, 243187, 312669, 342657, 550893, 708291, 729561, 938007, 1285417, 1652679, 2188683, 3856251, 4958037, 6566049, 8997919, 11568753, 26993757, 34706259, 80981271, 242943813]

約数ペア:

[(1, 242943813), (3, 80981271), (7, 34706259), (9, 26993757), (21, 11568753), (27, 8997919), (37, 6566049), (49, 4958037), (63, 3856251), (111, 2188683), (147, 1652679), (189, 1285417), (259, 938007), (333, 729561), (343, 708291), (441, 550893), (709, 342657), (777, 312669), (999, 243187), (1029, 236097), (1323, 183631), (1813, 134001), (2127, 114219), (2331, 104223), (3087, 78699), (4963, 48951), (5439, 44667), (6381, 38073), (6993, 34741), (9261, 26233), (12691, 19143), (14889, 16317)]