28555709721

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{11237981}}^1$

素因数の和:11238013

約数の個数: 24

約数和(自身を含む): 47828851392

約数和(自身を除く): 19273141671

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 11237981, 33713943, 78665867, 123617791, 235997601, 370853373, 865324537, 1359795701, 2595973611, 4079387103, 9518569907, 28555709721]

約数ペア:

[(1, 28555709721), (3, 9518569907), (7, 4079387103), (11, 2595973611), (21, 1359795701), (33, 865324537), (77, 370853373), (121, 235997601), (231, 123617791), (363, 78665867), (847, 33713943), (2541, 11237981)]