389611929

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{976471}}^1$

素因数の和:976500

約数の個数: 16

約数和(自身を含む): 624942080

約数和(自身を除く): 235330151

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 976471, 2929413, 6835297, 18552949, 20505891, 55658847, 129870643, 389611929]

約数ペア:

[(1, 389611929), (3, 129870643), (7, 55658847), (19, 20505891), (21, 18552949), (57, 6835297), (133, 2929413), (399, 976471)]