26742717

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{19421}}^1$

素因数の和:19450

約数の個数: 20

約数和(自身を含む): 42301116

約数和(自身を除く): 15558399

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 19421, 58263, 174789, 330157, 524367, 990471, 1573101, 2971413, 8914239, 26742717]

約数ペア:

[(1, 26742717), (3, 8914239), (9, 2971413), (17, 1573101), (27, 990471), (51, 524367), (81, 330157), (153, 174789), (459, 58263), (1377, 19421)]