2120205

素因数分解:

$3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1321}}^1$

素因数の和:1436

約数の個数: 16

約数和(自身を含む): 3426624

約数和(自身を除く): 1306419

約数列:

[1, 3, 5, 15, 107, 321, 535, 1321, 1605, 3963, 6605, 19815, 141347, 424041, 706735, 2120205]

約数ペア:

[(1, 2120205), (3, 706735), (5, 424041), (15, 141347), (107, 19815), (321, 6605), (535, 3963), (1321, 1605)]