81681209

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{5881}}^1$

素因数の和:5960

約数の個数: 16

約数和(自身を含む): 93170880

約数和(自身を除く): 11489671

約数列:

[1, 17, 19, 43, 323, 731, 817, 5881, 13889, 99977, 111739, 252883, 1899563, 4299011, 4804777, 81681209]

約数ペア:

[(1, 81681209), (17, 4804777), (19, 4299011), (43, 1899563), (323, 252883), (731, 111739), (817, 99977), (5881, 13889)]