80220819

素因数分解:

$3^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{21341}}^1$

素因数の和:21530

約数の個数: 16

約数和(自身を含む): 122929920

約数和(自身を除く): 42709101

約数列:

[1, 3, 7, 21, 179, 537, 1253, 3759, 21341, 64023, 149387, 448161, 3820039, 11460117, 26740273, 80220819]

約数ペア:

[(1, 80220819), (3, 26740273), (7, 11460117), (21, 3820039), (179, 448161), (537, 149387), (1253, 64023), (3759, 21341)]