13172275

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:303

約数の個数: 24

約数和(自身を含む): 17061408

約数和(自身を除く): 3889133

約数列:

[1, 5, 25, 41, 71, 181, 205, 355, 905, 1025, 1775, 2911, 4525, 7421, 12851, 14555, 37105, 64255, 72775, 185525, 321275, 526891, 2634455, 13172275]

約数ペア:

[(1, 13172275), (5, 2634455), (25, 526891), (41, 321275), (71, 185525), (181, 72775), (205, 64255), (355, 37105), (905, 14555), (1025, 12851), (1775, 7421), (2911, 4525)]