81689418

素因数分解:

$2^1\times 3^3\times {\mathrm{1512767}}^1$

素因数の和:1512778

約数の個数: 16

約数和(自身を含む): 181532160

約数和(自身を除く): 99842742

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 1512767, 3025534, 4538301, 9076602, 13614903, 27229806, 40844709, 81689418]

約数ペア:

[(1, 81689418), (2, 40844709), (3, 27229806), (6, 13614903), (9, 9076602), (18, 4538301), (27, 3025534), (54, 1512767)]