Numbers z such that there exist two integers 0<x<=y<=z such that sigma(x)*sigma(y)*sigma(z) = (x + y + z)^3.
A386010
Numbers z such that there exist two integers 0<x<=y<=z such that sigma(x)*sigma(y)*sigma(z) = (x + y + z)^3.
Terms
- a(0) =120a(1) =672a(2) =1188a(3) =1740a(4) =2556a(5) =11172a(6) =11556a(7) =11628a(8) =27312a(9) =32136a(10) =41412a(11) =41952a(12) =42168
External references
- oeis: A386010