1680930081

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{1993}}^1\times {\mathrm{3023}}^1$

素因数の和:5053

約数の個数: 24

約数和(自身を含む): 2508420096

約数和(自身を除く): 827490015

約数列:

[1, 3, 9, 31, 93, 279, 1993, 3023, 5979, 9069, 17937, 27207, 61783, 93713, 185349, 281139, 556047, 843417, 6024839, 18074517, 54223551, 186770009, 560310027, 1680930081]

約数ペア:

[(1, 1680930081), (3, 560310027), (9, 186770009), (31, 54223551), (93, 18074517), (279, 6024839), (1993, 843417), (3023, 556047), (5979, 281139), (9069, 185349), (17937, 93713), (27207, 61783)]