81431449

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{397}}^1\times {\mathrm{643}}^1$

素因数の和:1080

約数の個数: 16

約数和(自身を含む): 92272320

約数和(自身を除く): 10840871

約数列:

[1, 11, 29, 319, 397, 643, 4367, 7073, 11513, 18647, 126643, 205117, 255271, 2807981, 7402859, 81431449]

約数ペア:

[(1, 81431449), (11, 7402859), (29, 2807981), (319, 255271), (397, 205117), (643, 126643), (4367, 18647), (7073, 11513)]