66619647

素因数分解:

$3^2\times {\mathrm{37}}^2\times {\mathrm{5407}}^1$

素因数の和:5487

約数の個数: 18

約数和(自身を含む): 98917728

約数和(自身を除く): 32298081

約数列:

[1, 3, 9, 37, 111, 333, 1369, 4107, 5407, 12321, 16221, 48663, 200059, 600177, 1800531, 7402183, 22206549, 66619647]

約数ペア:

[(1, 66619647), (3, 22206549), (9, 7402183), (37, 1800531), (111, 600177), (333, 200059), (1369, 48663), (4107, 16221), (5407, 12321)]