28469397

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{20063}}^1$

素因数の和:20120

約数の個数: 16

約数和(自身を含む): 42375168

約数和(自身を除く): 13905771

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 20063, 60189, 220693, 662079, 862709, 2588127, 9489799, 28469397]

約数ペア:

[(1, 28469397), (3, 9489799), (11, 2588127), (33, 862709), (43, 662079), (129, 220693), (473, 60189), (1419, 20063)]