2028072735

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{385199}}^1$

素因数の和:385229

約数の個数: 40

約数和(自身を含む): 3915172800

約数和(自身を除く): 1887100065

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 351, 405, 585, 1053, 1755, 5265, 385199, 1155597, 1925995, 3466791, 5007587, 5777985, 10400373, 15022761, 17333955, 25037935, 31201119, 45068283, 52001865, 75113805, 135204849, 156005595, 225341415, 405614547, 676024245, 2028072735]

約数ペア:

[(1, 2028072735), (3, 676024245), (5, 405614547), (9, 225341415), (13, 156005595), (15, 135204849), (27, 75113805), (39, 52001865), (45, 45068283), (65, 31201119), (81, 25037935), (117, 17333955), (135, 15022761), (195, 10400373), (351, 5777985), (405, 5007587), (585, 3466791), (1053, 1925995), (1755, 1155597), (5265, 385199)]