81105215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{829}}^1\times {\mathrm{1151}}^1$

素因数の和:2002

約数の個数: 16

約数和(自身を含む): 103265280

約数和(自身を除く): 22160065

約数列:

[1, 5, 17, 85, 829, 1151, 4145, 5755, 14093, 19567, 70465, 97835, 954179, 4770895, 16221043, 81105215]

約数ペア:

[(1, 81105215), (5, 16221043), (17, 4770895), (85, 954179), (829, 97835), (1151, 70465), (4145, 19567), (5755, 14093)]