12172881

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{10937}}^1$

素因数の和:11000

約数の個数: 16

約数和(自身を含む): 18900864

約数和(自身を除く): 6727983

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 10937, 32811, 76559, 229677, 579661, 1738983, 4057627, 12172881]

約数ペア:

[(1, 12172881), (3, 4057627), (7, 1738983), (21, 579661), (53, 229677), (159, 76559), (371, 32811), (1113, 10937)]