2019978999

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{521}}^1\times {\mathrm{3881}}^1$

素因数の和:4448

約数の個数: 32

約数和(自身を含む): 3080134080

約数和(自身を除く): 1060155081

約数列:

[1, 3, 9, 27, 37, 111, 333, 521, 999, 1563, 3881, 4689, 11643, 14067, 19277, 34929, 57831, 104787, 143597, 173493, 430791, 520479, 1292373, 2022001, 3877119, 6066003, 18198009, 54594027, 74814037, 224442111, 673326333, 2019978999]

約数ペア:

[(1, 2019978999), (3, 673326333), (9, 224442111), (27, 74814037), (37, 54594027), (111, 18198009), (333, 6066003), (521, 3877119), (999, 2022001), (1563, 1292373), (3881, 520479), (4689, 430791), (11643, 173493), (14067, 143597), (19277, 104787), (34929, 57831)]