2021781465

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{453823}}^1$

素因数の和:453851

約数の個数: 40

約数和(自身を含む): 3953714688

約数和(自身を除く): 1931933223

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 297, 405, 495, 891, 1485, 4455, 453823, 1361469, 2269115, 4084407, 4992053, 6807345, 12253221, 14976159, 20422035, 24960265, 36759663, 44928477, 61266105, 74880795, 134785431, 183798315, 224642385, 404356293, 673927155, 2021781465]

約数ペア:

[(1, 2021781465), (3, 673927155), (5, 404356293), (9, 224642385), (11, 183798315), (15, 134785431), (27, 74880795), (33, 61266105), (45, 44928477), (55, 36759663), (81, 24960265), (99, 20422035), (135, 14976159), (165, 12253221), (297, 6807345), (405, 4992053), (495, 4084407), (891, 2269115), (1485, 1361469), (4455, 453823)]