28342629

素因数分解:

$3^4\times 7^2\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:256

約数の個数: 60

約数和(自身を含む): 50844684

約数和(自身を除く): 22502055

約数列:

[1, 3, 7, 9, 21, 27, 37, 49, 63, 81, 111, 147, 189, 193, 259, 333, 441, 567, 579, 777, 999, 1323, 1351, 1737, 1813, 2331, 2997, 3969, 4053, 5211, 5439, 6993, 7141, 9457, 12159, 15633, 16317, 20979, 21423, 28371, 36477, 48951, 49987, 64269, 85113, 109431, 146853, 149961, 192807, 255339, 349909, 449883, 578421, 766017, 1049727, 1349649, 3149181, 4048947, 9447543, 28342629]

約数ペア:

[(1, 28342629), (3, 9447543), (7, 4048947), (9, 3149181), (21, 1349649), (27, 1049727), (37, 766017), (49, 578421), (63, 449883), (81, 349909), (111, 255339), (147, 192807), (189, 149961), (193, 146853), (259, 109431), (333, 85113), (441, 64269), (567, 49987), (579, 48951), (777, 36477), (999, 28371), (1323, 21423), (1351, 20979), (1737, 16317), (1813, 15633), (2331, 12159), (2997, 9457), (3969, 7141), (4053, 6993), (5211, 5439)]