28716687

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{8647}}^1$

素因数の和:8700

約数の個数: 20

約数和(自身を含む): 43949136

約数和(自身を除く): 15232449

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 8647, 25941, 77823, 233469, 354527, 700407, 1063581, 3190743, 9572229, 28716687]

約数ペア:

[(1, 28716687), (3, 9572229), (9, 3190743), (27, 1063581), (41, 700407), (81, 354527), (123, 233469), (369, 77823), (1107, 25941), (3321, 8647)]