46494

Appears in sequences

• Unitary harmonic numbers (those for which the unitary harmonic mean is an integer).at n=18A006086
• Infinitary harmonic numbers: harmonic mean of infinitary divisors is an integer.at n=16A063947
• Numbers k such that k and usigma(k) have the same set of prime divisors, where usigma(k) is the sum of unitary divisors of k (A034448).at n=22A329858
• Tri-unitary harmonic numbers: numbers k such that the harmonic mean of the tri-unitary divisors of k is an integer.at n=16A335387