27818181

素因数分解:

$3^3\times {\mathrm{107}}^1\times {\mathrm{9629}}^1$

素因数の和:9745

約数の個数: 16

約数和(自身を含む): 41601600

約数和(自身を除く): 13783419

約数列:

[1, 3, 9, 27, 107, 321, 963, 2889, 9629, 28887, 86661, 259983, 1030303, 3090909, 9272727, 27818181]

約数ペア:

[(1, 27818181), (3, 9272727), (9, 3090909), (27, 1030303), (107, 259983), (321, 86661), (963, 28887), (2889, 9629)]