27211059

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{17681}}^1$

素因数の和:17712

約数の個数: 20

約数和(自身を含む): 42790440

約数和(自身を除く): 15579381

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 17681, 53043, 159129, 335939, 477387, 1007817, 1432161, 3023451, 9070353, 27211059]

約数ペア:

[(1, 27211059), (3, 9070353), (9, 3023451), (19, 1432161), (27, 1007817), (57, 477387), (81, 335939), (171, 159129), (513, 53043), (1539, 17681)]