27780599

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:268

約数の個数: 32

約数和(自身を含む): 36480000

約数和(自身を除く): 8699401

約数列:

[1, 7, 11, 37, 49, 77, 199, 259, 343, 407, 539, 1393, 1813, 2189, 2849, 3773, 7363, 9751, 12691, 15323, 19943, 51541, 68257, 80993, 107261, 139601, 360787, 566951, 750827, 2525509, 3968657, 27780599]

約数ペア:

[(1, 27780599), (7, 3968657), (11, 2525509), (37, 750827), (49, 566951), (77, 360787), (199, 139601), (259, 107261), (343, 80993), (407, 68257), (539, 51541), (1393, 19943), (1813, 15323), (2189, 12691), (2849, 9751), (3773, 7363)]