2801239

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:294

約数の個数: 16

約数和(自身を含む): 3391488

約数和(自身を除く): 590249

約数列:

[1, 7, 23, 127, 137, 161, 889, 959, 2921, 3151, 17399, 20447, 22057, 121793, 400177, 2801239]

約数ペア:

[(1, 2801239), (7, 400177), (23, 121793), (127, 22057), (137, 20447), (161, 17399), (889, 3151), (959, 2921)]