16991331

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{8011}}^1$

素因数の和:8122

約数の個数: 16

約数和(自身を含む): 26151168

約数和(自身を除く): 9159837

約数列:

[1, 3, 7, 21, 101, 303, 707, 2121, 8011, 24033, 56077, 168231, 809111, 2427333, 5663777, 16991331]

約数ペア:

[(1, 16991331), (3, 5663777), (7, 2427333), (21, 809111), (101, 168231), (303, 56077), (707, 24033), (2121, 8011)]