131780033

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{857}}^1\times {\mathrm{1997}}^1$

素因数の和:2872

約数の個数: 16

約数和(自身を含む): 164571264

約数和(自身を除く): 32791231

約数列:

[1, 7, 11, 77, 857, 1997, 5999, 9427, 13979, 21967, 65989, 153769, 1711429, 11980003, 18825719, 131780033]

約数ペア:

[(1, 131780033), (7, 18825719), (11, 11980003), (77, 1711429), (857, 153769), (1997, 65989), (5999, 21967), (9427, 13979)]