137170

Appears in sequences

• Unitary abundant numbers k such that k+2 is also unitary abundant.at n=5A292704
• Three-column table read by rows: Triples that have the same value of phi, sigma, and tau.at n=8A322679
• Three-column table read by rows: Primitive distinct triples that have the same value of phi, sigma, and tau.at n=8A322689