31879991

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{1559}}^1$

素因数の和:1607

約数の個数: 18

約数和(自身を含む): 37968840

約数和(自身を除く): 6088849

約数列:

[1, 11, 13, 121, 143, 169, 1559, 1573, 1859, 17149, 20267, 20449, 188639, 222937, 263471, 2452307, 2898181, 31879991]

約数ペア:

[(1, 31879991), (11, 2898181), (13, 2452307), (121, 263471), (143, 222937), (169, 188639), (1559, 20449), (1573, 20267), (1859, 17149)]