什么整数可以写成3个整数的立方和

[FoxMe]

3 = 1³ + 1³ + 1³ = 4³ + 4³ + (−5)³ = 569,936,821,221,962,380,720³ + (−569,936,821,113,563,493,509)³ + (−472,715,493,453,327,032)³

33 = 8,866,128,975,287,528³ + (−8,778,405,442,862,239)³ + (−2,736,111,468,807,040)³

42 = (−80,538,738,812,075,974)³ + 80,435,758,145,817,515³ + 12,602,123,297,335,631³