207980181

素因数分解:

$3^2\times {\mathrm{409}}^1\times {\mathrm{56501}}^1$

素因数の和:56916

約数の個数: 12

約数和(自身を含む): 301155660

約数和(自身を除く): 93175479

約数列:

[1, 3, 9, 409, 1227, 3681, 56501, 169503, 508509, 23108909, 69326727, 207980181]

約数ペア:

[(1, 207980181), (3, 69326727), (9, 23108909), (409, 508509), (1227, 169503), (3681, 56501)]