81052405

素因数分解:

$5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{27901}}^1$

素因数の和:27996

約数の個数: 16

約数和(自身を含む): 112500864

約数和(自身を除く): 31448459

約数列:

[1, 5, 7, 35, 83, 415, 581, 2905, 27901, 139505, 195307, 976535, 2315783, 11578915, 16210481, 81052405]

約数ペア:

[(1, 81052405), (5, 16210481), (7, 11578915), (35, 2315783), (83, 976535), (415, 195307), (581, 139505), (2905, 27901)]