291682839

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{27947}}^1$

素因数の和:28035

約数の個数: 24

約数和(自身を含む): 458794368

約数和(自身を除く): 167111529

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 497, 1491, 3479, 10437, 27947, 83841, 195629, 586887, 1369403, 1984237, 4108209, 5952711, 13889659, 41668977, 97227613, 291682839]

約数ペア:

[(1, 291682839), (3, 97227613), (7, 41668977), (21, 13889659), (49, 5952711), (71, 4108209), (147, 1984237), (213, 1369403), (497, 586887), (1491, 195629), (3479, 83841), (10437, 27947)]