3220405

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1$

素因数の和:444

約数の個数: 16

約数和(自身を含む): 4118400

約数和(自身を除く): 897995

約数列:

[1, 5, 19, 95, 109, 311, 545, 1555, 2071, 5909, 10355, 29545, 33899, 169495, 644081, 3220405]

約数ペア:

[(1, 3220405), (5, 644081), (19, 169495), (95, 33899), (109, 29545), (311, 10355), (545, 5909), (1555, 2071)]