26286687

素因数分解:

$3^4\times 7^2\times {\mathrm{37}}^1\times {\mathrm{179}}^1$

素因数の和:242

約数の個数: 60

約数和(自身を含む): 47175480

約数和(自身を除く): 20888793

約数列:

[1, 3, 7, 9, 21, 27, 37, 49, 63, 81, 111, 147, 179, 189, 259, 333, 441, 537, 567, 777, 999, 1253, 1323, 1611, 1813, 2331, 2997, 3759, 3969, 4833, 5439, 6623, 6993, 8771, 11277, 14499, 16317, 19869, 20979, 26313, 33831, 46361, 48951, 59607, 78939, 101493, 139083, 146853, 178821, 236817, 324527, 417249, 536463, 710451, 973581, 1251747, 2920743, 3755241, 8762229, 26286687]

約数ペア:

[(1, 26286687), (3, 8762229), (7, 3755241), (9, 2920743), (21, 1251747), (27, 973581), (37, 710451), (49, 536463), (63, 417249), (81, 324527), (111, 236817), (147, 178821), (179, 146853), (189, 139083), (259, 101493), (333, 78939), (441, 59607), (537, 48951), (567, 46361), (777, 33831), (999, 26313), (1253, 20979), (1323, 19869), (1611, 16317), (1813, 14499), (2331, 11277), (2997, 8771), (3759, 6993), (3969, 6623), (4833, 5439)]