51989049

素因数分解:

$3^2\times 7^2\times {\mathrm{117889}}^1$

素因数の和:117909

約数の個数: 18

約数和(自身を含む): 87356490

約数和(自身を除く): 35367441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 117889, 353667, 825223, 1061001, 2475669, 5776561, 7427007, 17329683, 51989049]

約数ペア:

[(1, 51989049), (3, 17329683), (7, 7427007), (9, 5776561), (21, 2475669), (49, 1061001), (63, 825223), (147, 353667), (441, 117889)]