1303533

Appears in sequences

• Numbers k such that A048675(sigma(k)) is equal to A048675(2*k).at n=29A331751
• Numbers whose numerator and denominator of the harmonic mean of their divisors are both 3-smooth numbers.at n=22A348867
• Odd numbers k for which A000005(2*k) >= A017665(2*k), where A000005 is the number of divisors function, and A017665 is the numerator of the abundancy ratio, sigma(k)/k.at n=16A388277