44375

Appears in sequences

• Odd numbers k that divide phi(k)*sigma(k).at n=26A015706
• Primitive numbers k that divide sigma(k)*phi(k).at n=16A055196
• Number T(n,k) of rooted trees with n nodes and colored non-root nodes using exactly k colors; triangle T(n,k), n>=1, 0<=k<=n-1, read by rows.at n=38A256064
• Odd numbers m such that there exists no k for which the denominator of d(k)/k = m where d(k) is the number of divisors of k (A000005).at n=35A353320
• Number of connected subsets of n edges of the cuboctahedron up to the 48 rotations and reflections of the cuboctahedron.at n=12A383982