2103165905

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{137777}}^1$

素因数の和:137896

約数の個数: 16

約数和(自身を含む): 2618884224

約数和(自身を除く): 515718319

約数列:

[1, 5, 43, 71, 215, 355, 3053, 15265, 137777, 688885, 5924411, 9782167, 29622055, 48910835, 420633181, 2103165905]

約数ペア:

[(1, 2103165905), (5, 420633181), (43, 48910835), (71, 29622055), (215, 9782167), (355, 5924411), (3053, 688885), (15265, 137777)]