8640855

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3623}}^1$

素因数の和:3687

約数の個数: 24

約数和(自身を含む): 15264288

約数和(自身を除く): 6623433

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 265, 477, 795, 2385, 3623, 10869, 18115, 32607, 54345, 163035, 192019, 576057, 960095, 1728171, 2880285, 8640855]

約数ペア:

[(1, 8640855), (3, 2880285), (5, 1728171), (9, 960095), (15, 576057), (45, 192019), (53, 163035), (159, 54345), (265, 32607), (477, 18115), (795, 10869), (2385, 3623)]