81760273

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{40697}}^1$

素因数の和:40752

約数の個数: 12

約数和(自身を含む): 97431012

約数和(自身を除く): 15670739

約数列:

[1, 7, 41, 49, 287, 2009, 40697, 284879, 1668577, 1994153, 11680039, 81760273]

約数ペア:

[(1, 81760273), (7, 11680039), (41, 1994153), (49, 1668577), (287, 284879), (2009, 40697)]