8520393

素因数分解:

$3^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{643}}^1$

素因数の和:1284

約数の個数: 16

約数和(自身を含む): 13024256

約数和(自身を除く): 4503863

約数列:

[1, 3, 7, 21, 631, 643, 1893, 1929, 4417, 4501, 13251, 13503, 405733, 1217199, 2840131, 8520393]

約数ペア:

[(1, 8520393), (3, 2840131), (7, 1217199), (21, 405733), (631, 13503), (643, 13251), (1893, 4501), (1929, 4417)]