81783819

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{699007}}^1$

素因数の和:699026

約数の個数: 12

約数和(自身を含む): 127219456

約数和(自身を除く): 45435637

約数列:

[1, 3, 9, 13, 39, 117, 699007, 2097021, 6291063, 9087091, 27261273, 81783819]

約数ペア:

[(1, 81783819), (3, 27261273), (9, 9087091), (13, 6291063), (39, 2097021), (117, 699007)]