13049729

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:138

約数の個数: 36

約数和(自身を含む): 17466624

約数和(自身を除く): 4416895

約数列:

[1, 7, 11, 31, 49, 71, 77, 121, 217, 341, 497, 539, 781, 847, 1519, 2201, 2387, 3479, 3751, 5467, 5929, 8591, 15407, 16709, 24211, 26257, 38269, 60137, 107849, 169477, 183799, 266321, 420959, 1186339, 1864247, 13049729]

約数ペア:

[(1, 13049729), (7, 1864247), (11, 1186339), (31, 420959), (49, 266321), (71, 183799), (77, 169477), (121, 107849), (217, 60137), (341, 38269), (497, 26257), (539, 24211), (781, 16709), (847, 15407), (1519, 8591), (2201, 5929), (2387, 5467), (3479, 3751)]