81565956

素因数分解:

$2^2\times 3^2\times {\mathrm{2265721}}^1$

素因数の和:2265731

約数の個数: 18

約数和(自身を含む): 206180702

約数和(自身を除く): 124614746

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 2265721, 4531442, 6797163, 9062884, 13594326, 20391489, 27188652, 40782978, 81565956]

約数ペア:

[(1, 81565956), (2, 40782978), (3, 27188652), (4, 20391489), (6, 13594326), (9, 9062884), (12, 6797163), (18, 4531442), (36, 2265721)]