81340133

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{1493}}^1$

素因数の和:1724

約数の個数: 16

約数和(自身を含む): 95711616

約数和(自身を除く): 14371483

約数列:

[1, 7, 43, 181, 301, 1267, 1493, 7783, 10451, 54481, 64199, 270233, 449393, 1891631, 11620019, 81340133]

約数ペア:

[(1, 81340133), (7, 11620019), (43, 1891631), (181, 449393), (301, 270233), (1267, 64199), (1493, 54481), (7783, 10451)]