31033289

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{661}}^1$

素因数の和:1040

約数の個数: 16

約数和(自身を含む): 37495680

約数和(自身を除く): 6462391

約数列:

[1, 7, 19, 133, 353, 661, 2471, 4627, 6707, 12559, 46949, 87913, 233333, 1633331, 4433327, 31033289]

約数ペア:

[(1, 31033289), (7, 4433327), (19, 1633331), (133, 233333), (353, 87913), (661, 46949), (2471, 12559), (4627, 6707)]