169571521

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{2857}}^1$

素因数の和:3064

約数の個数: 16

約数和(自身を含む): 198459520

約数和(自身を除く): 28887999

約数列:

[1, 7, 61, 139, 427, 973, 2857, 8479, 19999, 59353, 174277, 397123, 1219939, 2779861, 24224503, 169571521]

約数ペア:

[(1, 169571521), (7, 24224503), (61, 2779861), (139, 1219939), (427, 397123), (973, 174277), (2857, 59353), (8479, 19999)]