Number x such that sigma(x) = Sum_{i=1..k} {sigma(x/p_i)}, where p_i are the k prime factors of x.

Terms

a(0) =8580a(1) =16632a(2) =24840a(3) =35910a(4) =38280a(5) =53130a(6) =161040a(7) =186732a(8) =276276a(9) =429780a(10) =598290a(11) =833112a(12) =1232616a(13) =1297890a(14) =1631448a(15) =2661330a(16) =2781000a(17) =2875740a(18) =3111108a(19) =3233790a(20) =3449640a(21) =3504816a(22) =3754920a(23) =4901160a(24) =5185488a(25) =5211570a(26) =5948250a(27) =6749028a(28) =8066640a(29) =9006984