664672329

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{1996013}}^1$

素因数の和:1996056

約数の個数: 12

約数和(自身を含む): 986030916

約数和(自身を除く): 321358587

約数列:

[1, 3, 9, 37, 111, 333, 1996013, 5988039, 17964117, 73852481, 221557443, 664672329]

約数ペア:

[(1, 664672329), (3, 221557443), (9, 73852481), (37, 17964117), (111, 5988039), (333, 1996013)]