9780639

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{953}}^1$

素因数の和:1278

約数の個数: 16

約数和(自身を含む): 14287104

約数和(自身を除く): 4506465

約数列:

[1, 3, 11, 33, 311, 933, 953, 2859, 3421, 10263, 10483, 31449, 296383, 889149, 3260213, 9780639]

約数ペア:

[(1, 9780639), (3, 3260213), (11, 889149), (33, 296383), (311, 31449), (933, 10483), (953, 10263), (2859, 3421)]