39936986019

素因数分解:

$3^2\times 7^2\times {\mathrm{90560059}}^1$

素因数の和:90560079

約数の個数: 18

約数和(自身を含む): 67105004460

約数和(自身を除く): 27168018441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 90560059, 271680177, 633920413, 815040531, 1901761239, 4437442891, 5705283717, 13312328673, 39936986019]

約数ペア:

[(1, 39936986019), (3, 13312328673), (7, 5705283717), (9, 4437442891), (21, 1901761239), (49, 815040531), (63, 633920413), (147, 271680177), (441, 90560059)]