1991181

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{193}}^1$

素因数の和:396

約数の個数: 16

約数和(自身を含む): 2824640

約数和(自身を除く): 833459

約数列:

[1, 3, 19, 57, 181, 193, 543, 579, 3439, 3667, 10317, 11001, 34933, 104799, 663727, 1991181]

約数ペア:

[(1, 1991181), (3, 663727), (19, 104799), (57, 34933), (181, 11001), (193, 10317), (543, 3667), (579, 3439)]