81412569

素因数分解:

$3^2\times 7^2\times {\mathrm{184609}}^1$

素因数の和:184629

約数の個数: 18

約数和(自身を含む): 136796010

約数和(自身を除く): 55383441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 184609, 553827, 1292263, 1661481, 3876789, 9045841, 11630367, 27137523, 81412569]

約数ペア:

[(1, 81412569), (3, 27137523), (7, 11630367), (9, 9045841), (21, 3876789), (49, 1661481), (63, 1292263), (147, 553827), (441, 184609)]