260539881

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{288527}}^1$

素因数の和:288580

約数の個数: 16

約数和(自身を含む): 406247424

約数和(自身を除く): 145707543

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 288527, 865581, 2019689, 6059067, 12406661, 37219983, 86846627, 260539881]

約数ペア:

[(1, 260539881), (3, 86846627), (7, 37219983), (21, 12406661), (43, 6059067), (129, 2019689), (301, 865581), (903, 288527)]