31497389

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{907}}^1$

素因数の和:977

約数の個数: 24

約数和(自身を含む): 40576704

約数和(自身を除く): 9079315

約数列:

[1, 7, 11, 41, 77, 121, 287, 451, 847, 907, 3157, 4961, 6349, 9977, 34727, 37187, 69839, 109747, 260309, 409057, 768229, 2863399, 4499627, 31497389]

約数ペア:

[(1, 31497389), (7, 4499627), (11, 2863399), (41, 768229), (77, 409057), (121, 260309), (287, 109747), (451, 69839), (847, 37187), (907, 34727), (3157, 9977), (4961, 6349)]