260804529

素因数分解:

$3^4\times {\mathrm{181}}^1\times {\mathrm{17789}}^1$

素因数の和:17982

約数の個数: 20

約数和(自身を含む): 391771380

約数和(自身を除く): 130966851

約数列:

[1, 3, 9, 27, 81, 181, 543, 1629, 4887, 14661, 17789, 53367, 160101, 480303, 1440909, 3219809, 9659427, 28978281, 86934843, 260804529]

約数ペア:

[(1, 260804529), (3, 86934843), (9, 28978281), (27, 9659427), (81, 3219809), (181, 1440909), (543, 480303), (1629, 160101), (4887, 53367), (14661, 17789)]