81126605

素因数分解:

$5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{2417}}^1$

素因数の和:2573

約数の個数: 24

約数和(自身を含む): 114119928

約数和(自身を除く): 32993323

約数列:

[1, 5, 7, 35, 49, 137, 245, 685, 959, 2417, 4795, 6713, 12085, 16919, 33565, 84595, 118433, 331129, 592165, 1655645, 2317903, 11589515, 16225321, 81126605]

約数ペア:

[(1, 81126605), (5, 16225321), (7, 11589515), (35, 2317903), (49, 1655645), (137, 592165), (245, 331129), (685, 118433), (959, 84595), (2417, 33565), (4795, 16919), (6713, 12085)]