Coreful triperfect numbers: numbers k such that csigma(k) = 3*k, where csigma(k) is the sum of the coreful divisors of k (A057723).

A364990

Coreful triperfect numbers: numbers k such that csigma(k) = 3*k, where csigma(k) is the sum of the coreful divisors of k (A057723).

Terms

    a(0) =3600a(1) =25200a(2) =28224a(3) =39600a(4) =46800a(5) =61200a(6) =68400a(7) =82800a(8) =104400a(9) =111600a(10) =133200a(11) =141120a(12) =147600a(13) =154800a(14) =169200a(15) =190800a(16) =212400a(17) =219600a(18) =241200a(19) =255600a(20) =262800a(21) =277200a(22) =284400a(23) =298800a(24) =310464a(25) =320400a(26) =327600a(27) =349200a(28) =363600a(29) =366912

External references