2854861569

素因数分解:

$3^2\times 7^2\times {\mathrm{6473609}}^1$

素因数の和:6473629

約数の個数: 18

約数和(自身を含む): 4796945010

約数和(自身を除く): 1942083441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 6473609, 19420827, 45315263, 58262481, 135945789, 317206841, 407837367, 951620523, 2854861569]

約数ペア:

[(1, 2854861569), (3, 951620523), (7, 407837367), (9, 317206841), (21, 135945789), (49, 58262481), (63, 45315263), (147, 19420827), (441, 6473609)]