Dedekind Psi Calculator

ψ(n) = n·Π(1+1/p)

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About Dedekind Psi Calculator

A Dedekind psi function calculator computing ψ(n) = n · Π_{p|n}(1 + 1/p). Related to the index of the congruence subgroup Γ₀(n) in SL₂(Z). Always ≥ n, with equality only for n=1. Multiplicative. Client-side.

Dedekind Psi Calculator Features

  • ψ(n) computation
  • Prime factorization
  • Comparison to φ(n)
  • Multiplicative
  • Table

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