81312329

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1\times {\mathrm{997}}^1$

素因数の和:1256

約数の個数: 16

約数和(自身を含む): 95041536

約数和(自身を除く): 13729207

約数列:

[1, 7, 61, 191, 427, 997, 1337, 6979, 11651, 60817, 81557, 190427, 425719, 1332989, 11616047, 81312329]

約数ペア:

[(1, 81312329), (7, 11616047), (61, 1332989), (191, 425719), (427, 190427), (997, 81557), (1337, 60817), (6979, 11651)]