7881111

素因数分解:

$3^3\times 7^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:90

約数の個数: 64

約数和(自身を含む): 14592000

約数和(自身を除く): 6710889

約数列:

[1, 3, 7, 9, 21, 23, 27, 37, 49, 63, 69, 111, 147, 161, 189, 207, 259, 333, 343, 441, 483, 621, 777, 851, 999, 1029, 1127, 1323, 1449, 1813, 2331, 2553, 3087, 3381, 4347, 5439, 5957, 6993, 7659, 7889, 9261, 10143, 12691, 16317, 17871, 22977, 23667, 30429, 38073, 41699, 48951, 53613, 71001, 114219, 125097, 160839, 213003, 291893, 342657, 375291, 875679, 1125873, 2627037, 7881111]

約数ペア:

[(1, 7881111), (3, 2627037), (7, 1125873), (9, 875679), (21, 375291), (23, 342657), (27, 291893), (37, 213003), (49, 160839), (63, 125097), (69, 114219), (111, 71001), (147, 53613), (161, 48951), (189, 41699), (207, 38073), (259, 30429), (333, 23667), (343, 22977), (441, 17871), (483, 16317), (621, 12691), (777, 10143), (851, 9261), (999, 7889), (1029, 7659), (1127, 6993), (1323, 5957), (1449, 5439), (1813, 4347), (2331, 3381), (2553, 3087)]