81408186

素因数分解:

$2^1\times 3^3\times {\mathrm{1507559}}^1$

素因数の和:1507570

約数の個数: 16

約数和(自身を含む): 180907200

約数和(自身を除く): 99499014

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 1507559, 3015118, 4522677, 9045354, 13568031, 27136062, 40704093, 81408186]

約数ペア:

[(1, 81408186), (2, 40704093), (3, 27136062), (6, 13568031), (9, 9045354), (18, 4522677), (27, 3015118), (54, 1507559)]