890994789

素因数分解:

$3^3\times {\mathrm{127}}^1\times {\mathrm{259841}}^1$

素因数の和:259977

約数の個数: 16

約数和(自身を含む): 1330391040

約数和(自身を除く): 439396251

約数列:

[1, 3, 9, 27, 127, 381, 1143, 3429, 259841, 779523, 2338569, 7015707, 32999807, 98999421, 296998263, 890994789]

約数ペア:

[(1, 890994789), (3, 296998263), (9, 98999421), (27, 32999807), (127, 7015707), (381, 2338569), (1143, 779523), (3429, 259841)]