797156913

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1997887}}^1$

素因数の和:1997916

約数の個数: 16

約数和(自身を含む): 1278648320

約数和(自身を除く): 481491407

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 1997887, 5993661, 13985209, 37959853, 41955627, 113879559, 265718971, 797156913]

約数ペア:

[(1, 797156913), (3, 265718971), (7, 113879559), (19, 41955627), (21, 37959853), (57, 13985209), (133, 5993661), (399, 1997887)]