2011581

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1$

素因数の和:554

約数の個数: 32

約数和(自身を含む): 3507840

約数和(自身を除く): 1496259

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 99, 117, 143, 297, 351, 429, 521, 1287, 1563, 3861, 4689, 5731, 6773, 14067, 17193, 20319, 51579, 60957, 74503, 154737, 182871, 223509, 670527, 2011581]

約数ペア:

[(1, 2011581), (3, 670527), (9, 223509), (11, 182871), (13, 154737), (27, 74503), (33, 60957), (39, 51579), (99, 20319), (117, 17193), (143, 14067), (297, 6773), (351, 5731), (429, 4689), (521, 3861), (1287, 1563)]