91742721

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1663}}^1$

素因数の和:1781

約数の個数: 32

約数和(自身を含む): 145686528

約数和(自身を除く): 53943807

約数列:

[1, 3, 7, 21, 37, 71, 111, 213, 259, 497, 777, 1491, 1663, 2627, 4989, 7881, 11641, 18389, 34923, 55167, 61531, 118073, 184593, 354219, 430717, 826511, 1292151, 2479533, 4368701, 13106103, 30580907, 91742721]

約数ペア:

[(1, 91742721), (3, 30580907), (7, 13106103), (21, 4368701), (37, 2479533), (71, 1292151), (111, 826511), (213, 430717), (259, 354219), (497, 184593), (777, 118073), (1491, 61531), (1663, 55167), (2627, 34923), (4989, 18389), (7881, 11641)]