Smallest integer such that the sum of its n smallest divisors is a square.

A289712

Smallest integer such that the sum of its n smallest divisors is a square.

Terms

    a(0) =1a(1) =3a(2) =15a(3) =22a(4) =12a(5) =36a(6) =24a(7) =66a(8) =126a(9) =420a(10) =90a(11) =364a(12) =270a(13) =264a(14) =240a(15) =210a(16) =672a(17) =780a(18) =864a(19) =1050a(20) =672a(21) =720a(22) =924a(23) =1092a(24) =1344a(25) =3240a(26) =3312a(27) =1260a(28) =3600a(29) =1200

External references