6991131

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19583}}^1$

素因数の和:19610

約数の個数: 16

約数和(自身を含む): 11280384

約数和(自身を除く): 4289253

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 19583, 58749, 137081, 332911, 411243, 998733, 2330377, 6991131]

約数ペア:

[(1, 6991131), (3, 2330377), (7, 998733), (17, 411243), (21, 332911), (51, 137081), (119, 58749), (357, 19583)]