26728079

素因数分解:

$7^2\times {\mathrm{19}}^2\times {\mathrm{1511}}^1$

素因数の和:1563

約数の個数: 18

約数和(自身を含む): 32836104

約数和(自身を除く): 6108025

約数列:

[1, 7, 19, 49, 133, 361, 931, 1511, 2527, 10577, 17689, 28709, 74039, 200963, 545471, 1406741, 3818297, 26728079]

約数ペア:

[(1, 26728079), (7, 3818297), (19, 1406741), (49, 545471), (133, 200963), (361, 74039), (931, 28709), (1511, 17689), (2527, 10577)]