81009774

素因数分解:

$2^1\times 3^3\times {\mathrm{1500181}}^1$

素因数の和:1500192

約数の個数: 16

約数和(自身を含む): 180021840

約数和(自身を除く): 99012066

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 1500181, 3000362, 4500543, 9001086, 13501629, 27003258, 40504887, 81009774]

約数ペア:

[(1, 81009774), (2, 40504887), (3, 27003258), (6, 13501629), (9, 9001086), (18, 4500543), (27, 3000362), (54, 1500181)]