179984007

素因数分解:

$3^2\times 7^2\times {\mathrm{408127}}^1$

素因数の和:408147

約数の個数: 18

約数和(自身を含む): 302422848

約数和(自身を除く): 122438841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 408127, 1224381, 2856889, 3673143, 8570667, 19998223, 25712001, 59994669, 179984007]

約数ペア:

[(1, 179984007), (3, 59994669), (7, 25712001), (9, 19998223), (21, 8570667), (49, 3673143), (63, 2856889), (147, 1224381), (441, 408127)]