I divisori di 1981989 sono 10, elencati qui di seguito: 1; 3; 9; 27; 81; 24469; 73407; 220221; 660663; 1981989
1981970, 1981971, 1981972, 1981973, 1981974, 1981975, 1981976, 1981977, 1981978, 1981979, 1981980, 1981981, 1981982, 1981983, 1981984, 1981985, 1981986, 1981987, 1981988, 1981990, 1981991, 1981992, 1981993, 1981994, 1981995, 1981996, 1981997, 1981998, 1981999, 1982000, 1982001, 1982002, 1982003, 1982004, 1982005, 1982006, 1982007, 1982008