132957

Appears in sequences

• Odd integers m such that phi(m) | sigma(m).at n=31A015715
• Numbers n such that sigma(n) = 3*phi(n).at n=10A068391
• Numbers n such that sigma(n) = phi(3n).at n=16A074891
• Numbers k such that gcd(sigma(k), phi(k)) (A009223) attains record values.at n=33A222711