65721243

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{997}}^1$

素因数の和:1123

約数の個数: 32

約数和(自身を含む): 103983616

約数和(自身を除く): 38262373

約数列:

[1, 3, 7, 21, 43, 73, 129, 219, 301, 511, 903, 997, 1533, 2991, 3139, 6979, 9417, 20937, 21973, 42871, 65919, 72781, 128613, 218343, 300097, 509467, 900291, 1528401, 3129583, 9388749, 21907081, 65721243]

約数ペア:

[(1, 65721243), (3, 21907081), (7, 9388749), (21, 3129583), (43, 1528401), (73, 900291), (129, 509467), (219, 300097), (301, 218343), (511, 128613), (903, 72781), (997, 65919), (1533, 42871), (2991, 21973), (3139, 20937), (6979, 9417)]