1378125

Appears in sequences

• Odd numbers k such that A173557(k) divides nonzero A051709(k).at n=18A345054
• Odd nonsquares k for which A161942(k) >= k, where A161942 is the odd part of sigma.at n=36A348743
• Odd nondeficient numbers of the form p^(1+4k) * r^2, where p is prime of the form 1+4m, r > 1, and gcd(p,r) = 1.at n=36A386427
• Odd numbers of the form p^(1+4k) * r^2, where p is prime of the form 1+4m, k > 0, r > 1, and gcd(p,r) = 1.at n=7A386428