81322109

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{20479}}^1$

素因数の和:20528

約数の個数: 12

約数和(自身を含む): 93634560

約数和(自身を除く): 12312451

約数列:

[1, 11, 19, 209, 361, 3971, 20479, 225269, 389101, 4280111, 7392919, 81322109]

約数ペア:

[(1, 81322109), (11, 7392919), (19, 4280111), (209, 389101), (361, 225269), (3971, 20479)]