13815109

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1$

素因数の和:134

約数の個数: 36

約数和(自身を含む): 18763488

約数和(自身を除く): 4948379

約数列:

[1, 7, 11, 19, 49, 71, 77, 133, 209, 361, 497, 539, 781, 931, 1349, 1463, 2527, 3479, 3971, 5467, 9443, 10241, 14839, 17689, 25631, 27797, 38269, 66101, 103873, 179417, 194579, 281941, 727111, 1255919, 1973587, 13815109]

約数ペア:

[(1, 13815109), (7, 1973587), (11, 1255919), (19, 727111), (49, 281941), (71, 194579), (77, 179417), (133, 103873), (209, 66101), (361, 38269), (497, 27797), (539, 25631), (781, 17689), (931, 14839), (1349, 10241), (1463, 9443), (2527, 5467), (3479, 3971)]