2540307

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1571}}^1$

素因数の和:1599

約数の個数: 24

約数和(自身を含む): 4300992

約数和(自身を除く): 1760685

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1571, 1617, 4713, 10997, 17281, 32991, 51843, 76979, 120967, 230937, 362901, 846769, 2540307]

約数ペア:

[(1, 2540307), (3, 846769), (7, 362901), (11, 230937), (21, 120967), (33, 76979), (49, 51843), (77, 32991), (147, 17281), (231, 10997), (539, 4713), (1571, 1617)]