2220405

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13457}}^1$

素因数の和:13476

約数の個数: 16

約数和(自身を含む): 3875904

約数和(自身を除く): 1655499

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 13457, 40371, 67285, 148027, 201855, 444081, 740135, 2220405]

約数ペア:

[(1, 2220405), (3, 740135), (5, 444081), (11, 201855), (15, 148027), (33, 67285), (55, 40371), (165, 13457)]