27755217

素因数分解:

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

素因数の和:79

約数の個数: 64

約数和(自身を含む): 49856000

約数和(自身を除く): 22100783

約数列:

[1, 3, 7, 9, 21, 27, 37, 49, 63, 81, 111, 147, 189, 243, 259, 333, 343, 441, 567, 729, 777, 999, 1029, 1323, 1701, 1813, 2187, 2331, 2997, 3087, 3969, 5103, 5439, 6993, 8991, 9261, 11907, 12691, 15309, 16317, 20979, 26973, 27783, 35721, 38073, 48951, 62937, 80919, 83349, 107163, 114219, 146853, 188811, 250047, 342657, 440559, 566433, 750141, 1027971, 1321677, 3083913, 3965031, 9251739, 27755217]

約数ペア:

[(1, 27755217), (3, 9251739), (7, 3965031), (9, 3083913), (21, 1321677), (27, 1027971), (37, 750141), (49, 566433), (63, 440559), (81, 342657), (111, 250047), (147, 188811), (189, 146853), (243, 114219), (259, 107163), (333, 83349), (343, 80919), (441, 62937), (567, 48951), (729, 38073), (777, 35721), (999, 27783), (1029, 26973), (1323, 20979), (1701, 16317), (1813, 15309), (2187, 12691), (2331, 11907), (2997, 9261), (3087, 8991), (3969, 6993), (5103, 5439)]