80306559

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{52181}}^1$

素因数の和:52212

約数の個数: 20

約数和(自身を含む): 126280440

約数和(自身を除く): 45973881

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 52181, 156543, 469629, 991439, 1408887, 2974317, 4226661, 8922951, 26768853, 80306559]

約数ペア:

[(1, 80306559), (3, 26768853), (9, 8922951), (19, 4226661), (27, 2974317), (57, 1408887), (81, 991439), (171, 469629), (513, 156543), (1539, 52181)]