84428127

素因数分解:

$3^2\times 7^2\times {\mathrm{191447}}^1$

素因数の和:191467

約数の個数: 18

約数和(自身を含む): 141862968

約数和(自身を除く): 57434841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 191447, 574341, 1340129, 1723023, 4020387, 9380903, 12061161, 28142709, 84428127]

約数ペア:

[(1, 84428127), (3, 28142709), (7, 12061161), (9, 9380903), (21, 4020387), (49, 1723023), (63, 1340129), (147, 574341), (441, 191447)]