Exponential admirable numbers: numbers k such that there is a proper exponential divisor d of k such that esigma(k) - 2*d = 2*k, where esigma is the sum of exponential divisors function (A051377).

A336680

Exponential admirable numbers: numbers k such that there is a proper exponential divisor d of k such that esigma(k) - 2*d = 2*k, where esigma is the sum of exponential divisors function (A051377).

Terms

    a(0) =900a(1) =1764a(2) =4356a(3) =4500a(4) =4900a(5) =6084a(6) =6300a(7) =7056a(8) =8820a(9) =9900a(10) =10404a(11) =11700a(12) =12348a(13) =12996a(14) =14700a(15) =15300a(16) =17100a(17) =19044a(18) =19404a(19) =20700a(20) =21780a(21) =22932a(22) =26100a(23) =27900a(24) =29988a(25) =30276a(26) =30420a(27) =30492a(28) =31500a(29) =33300

External references