9971913

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{3739}}^1$

素因数の和:3876

約数の個数: 16

約数和(自身を含む): 15319040

約数和(自身を除く): 5347127

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 3739, 11217, 26173, 78519, 474853, 1424559, 3323971, 9971913]

約数ペア:

[(1, 9971913), (3, 3323971), (7, 1424559), (21, 474853), (127, 78519), (381, 26173), (889, 11217), (2667, 3739)]