81994893

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{1259}}^1\times {\mathrm{1277}}^1$

素因数の和:2556

約数の個数: 16

約数和(自身を含む): 115940160

約数和(自身を除く): 33945267

約数列:

[1, 3, 17, 51, 1259, 1277, 3777, 3831, 21403, 21709, 64209, 65127, 1607743, 4823229, 27331631, 81994893]

約数ペア:

[(1, 81994893), (3, 27331631), (17, 4823229), (51, 1607743), (1259, 65127), (1277, 64209), (3777, 21709), (3831, 21403)]