28370979

素因数分解:

$3^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1283}}^1$

素因数の和:1318

約数の個数: 48

約数和(自身を含む): 52346112

約数和(自身を除く): 23975133

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 243, 273, 351, 567, 819, 1053, 1283, 1701, 2457, 3159, 3849, 7371, 8981, 11547, 16679, 22113, 26943, 34641, 50037, 80829, 103923, 116753, 150111, 242487, 311769, 350259, 450333, 727461, 1050777, 1350999, 2182383, 3152331, 4052997, 9456993, 28370979]

約数ペア:

[(1, 28370979), (3, 9456993), (7, 4052997), (9, 3152331), (13, 2182383), (21, 1350999), (27, 1050777), (39, 727461), (63, 450333), (81, 350259), (91, 311769), (117, 242487), (189, 150111), (243, 116753), (273, 103923), (351, 80829), (567, 50037), (819, 34641), (1053, 26943), (1283, 22113), (1701, 16679), (2457, 11547), (3159, 8981), (3849, 7371)]