Если лень перебирать вручную, можно воспользоваться программой
var k,l,r,x,f:integer; begin f := 3001; l := 0; r := 65534; x := (l + r) div 2; k := 1; while (x <> f) and (l < r) do begin writeln(k,' ',l,' ',r,' ',x); k := k + 1; if f < x then r := x - 1 else l := x + 1; x := (l + r) div 2 end; writeln(k,' ',l,' ',r,' ',x); end.
var
n, i, aon_i, k: integer;
f: boolean;
function AmountOfNumbers(n: integer): integer;
var
s: integer;
begin
s := 0;
while n > 0 do
begin
s := s + n mod 10;
n := n div 10;
end;
AmountOfNumbers := s;
end;
begin
readln(n);
for i := 0 to n do
begin
f := true;
aon_i := AmountOfNumbers(i);
for k := 2 to 9 do
f := f and (aon_i = AmountOfNumbers(k * i));
if f then writeln(i);
end;
end.
Объяснение: