81161199

素因数分解:

$3^2\times 7^2\times {\mathrm{184039}}^1$

素因数の和:184059

約数の個数: 18

約数和(自身を含む): 136373640

約数和(自身を除く): 55212441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 184039, 552117, 1288273, 1656351, 3864819, 9017911, 11594457, 27053733, 81161199]

約数ペア:

[(1, 81161199), (3, 27053733), (7, 11594457), (9, 9017911), (21, 3864819), (49, 1656351), (63, 1288273), (147, 552117), (441, 184039)]