128256429

素因数分解:

$3^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{9679}}^1$

素因数の和:10320

約数の個数: 16

約数和(自身を含む): 195768320

約数和(自身を除く): 67511891

約数列:

[1, 3, 7, 21, 631, 1893, 4417, 9679, 13251, 29037, 67753, 203259, 6107449, 18322347, 42752143, 128256429]

約数ペア:

[(1, 128256429), (3, 42752143), (7, 18322347), (21, 6107449), (631, 203259), (1893, 67753), (4417, 29037), (9679, 13251)]