2021569245

素因数分解:

$3^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{72341}}^1$

素因数の和:72384

約数の個数: 48

約数和(自身を含む): 3791878272

約数和(自身を除く): 1770309027

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 243, 345, 405, 621, 1035, 1215, 1863, 3105, 5589, 9315, 27945, 72341, 217023, 361705, 651069, 1085115, 1663843, 1953207, 3255345, 4991529, 5859621, 8319215, 9766035, 14974587, 17578863, 24957645, 29298105, 44923761, 74872935, 87894315, 134771283, 224618805, 404313849, 673856415, 2021569245]

約数ペア:

[(1, 2021569245), (3, 673856415), (5, 404313849), (9, 224618805), (15, 134771283), (23, 87894315), (27, 74872935), (45, 44923761), (69, 29298105), (81, 24957645), (115, 17578863), (135, 14974587), (207, 9766035), (243, 8319215), (345, 5859621), (405, 4991529), (621, 3255345), (1035, 1953207), (1215, 1663843), (1863, 1085115), (3105, 651069), (5589, 361705), (9315, 217023), (27945, 72341)]