81449819

素因数分解:

${\mathrm{11}}^2\times {\mathrm{181}}^1\times {\mathrm{3719}}^1$

素因数の和:3922

約数の個数: 12

約数和(自身を含む): 90046320

約数和(自身を除く): 8596501

約数列:

[1, 11, 121, 181, 1991, 3719, 21901, 40909, 449999, 673139, 7404529, 81449819]

約数ペア:

[(1, 81449819), (11, 7404529), (121, 673139), (181, 449999), (1991, 40909), (3719, 21901)]