81105678

素因数分解:

$2^1\times 3^3\times {\mathrm{1501957}}^1$

素因数の和:1501968

約数の個数: 16

約数和(自身を含む): 180234960

約数和(自身を除く): 99129282

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 1501957, 3003914, 4505871, 9011742, 13517613, 27035226, 40552839, 81105678]

約数ペア:

[(1, 81105678), (2, 40552839), (3, 27035226), (6, 13517613), (9, 9011742), (18, 4505871), (27, 3003914), (54, 1501957)]