28251291

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{4933}}^1$

素因数の和:5042

約数の個数: 16

約数和(自身を含む): 39787776

約数和(自身を除く): 11536485

約数列:

[1, 3, 23, 69, 83, 249, 1909, 4933, 5727, 14799, 113459, 340377, 409439, 1228317, 9417097, 28251291]

約数ペア:

[(1, 28251291), (3, 9417097), (23, 1228317), (69, 409439), (83, 340377), (249, 113459), (1909, 14799), (4933, 5727)]