71128719

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2437}}^1$

素因数の和:2516

約数の個数: 32

約数和(自身を含む): 112343040

約数和(自身を除く): 41214321

約数列:

[1, 3, 9, 23, 27, 47, 69, 141, 207, 423, 621, 1081, 1269, 2437, 3243, 7311, 9729, 21933, 29187, 56051, 65799, 114539, 168153, 343617, 504459, 1030851, 1513377, 2634397, 3092553, 7903191, 23709573, 71128719]

約数ペア:

[(1, 71128719), (3, 23709573), (9, 7903191), (23, 3092553), (27, 2634397), (47, 1513377), (69, 1030851), (141, 504459), (207, 343617), (423, 168153), (621, 114539), (1081, 65799), (1269, 56051), (2437, 29187), (3243, 21933), (7311, 9729)]