8421009

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{941}}^1$

素因数の和:1120

約数の個数: 16

約数和(自身を含む): 11906880

約数和(自身を除く): 3485871

約数列:

[1, 3, 19, 57, 157, 471, 941, 2823, 2983, 8949, 17879, 53637, 147737, 443211, 2807003, 8421009]

約数ペア:

[(1, 8421009), (3, 2807003), (19, 443211), (57, 147737), (157, 53637), (471, 17879), (941, 8949), (2823, 2983)]