81799109

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{8329}}^1$

素因数の和:8420

約数の個数: 16

約数和(自身を含む): 99160320

約数和(自身を除く): 17361211

約数列:

[1, 7, 23, 61, 161, 427, 1403, 8329, 9821, 58303, 191567, 508069, 1340969, 3556483, 11685587, 81799109]

約数ペア:

[(1, 81799109), (7, 11685587), (23, 3556483), (61, 1340969), (161, 508069), (427, 191567), (1403, 58303), (8329, 9821)]