284580

Appears in sequences

• a(n) = A062401(A065391(n)): phi(sigma(m)) peak values for numbers m (listed in A065391) at which those peaks are first reached.at n=39A065392
• Numbers n such that sigma(n) = 14*phi(n) (where sigma=A000203, phi=A000010).at n=16A171259
• Numbers n such that n = concatenate(a, b) and sigma(a) + sigma(b) = phi(n).at n=17A249065
• Three-column table read by rows: Triples that have the same value of phi, sigma, and tau.at n=28A322679
• Three-column table read by rows: Primitive distinct triples that have the same value of phi, sigma, and tau.at n=28A322689