31328408769

素因数分解:

$3^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{1991761}}^1$

素因数の和:1991885

約数の個数: 24

約数和(自身を含む): 49045147488

約数和(自身を除く): 17716738719

約数列:

[1, 3, 7, 21, 49, 107, 147, 321, 749, 2247, 5243, 15729, 1991761, 5975283, 13942327, 41826981, 97596289, 213118427, 292788867, 639355281, 1491828989, 4475486967, 10442802923, 31328408769]

約数ペア:

[(1, 31328408769), (3, 10442802923), (7, 4475486967), (21, 1491828989), (49, 639355281), (107, 292788867), (147, 213118427), (321, 97596289), (749, 41826981), (2247, 13942327), (5243, 5975283), (15729, 1991761)]