220343481

素因数分解:

$3^2\times {\mathrm{43}}^2\times {\mathrm{13241}}^1$

素因数の和:13333

約数の個数: 18

約数和(自身を含む): 325872378

約数和(自身を除く): 105528897

約数列:

[1, 3, 9, 43, 129, 387, 1849, 5547, 13241, 16641, 39723, 119169, 569363, 1708089, 5124267, 24482609, 73447827, 220343481]

約数ペア:

[(1, 220343481), (3, 73447827), (9, 24482609), (43, 5124267), (129, 1708089), (387, 569363), (1849, 119169), (5547, 39723), (13241, 16641)]