28087671

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{809}}^1$

素因数の和:1046

約数の個数: 16

約数和(自身を含む): 38257920

約数和(自身を除く): 10170249

約数列:

[1, 3, 71, 163, 213, 489, 809, 2427, 11573, 34719, 57439, 131867, 172317, 395601, 9362557, 28087671]

約数ペア:

[(1, 28087671), (3, 9362557), (71, 395601), (163, 172317), (213, 131867), (489, 57439), (809, 34719), (2427, 11573)]