2091815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{521}}^1$

素因数の和:610

約数の個数: 16

約数和(自身を含む): 2781216

約数和(自身を除く): 689401

約数列:

[1, 5, 11, 55, 73, 365, 521, 803, 2605, 4015, 5731, 28655, 38033, 190165, 418363, 2091815]

約数ペア:

[(1, 2091815), (5, 418363), (11, 190165), (55, 38033), (73, 28655), (365, 5731), (521, 4015), (803, 2605)]