81475037

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{1223}}^1$

素因数の和:1568

約数の個数: 16

約数和(自身を含む): 96509952

約数和(自身を除く): 15034915

約数列:

[1, 7, 31, 217, 307, 1223, 2149, 8561, 9517, 37913, 66619, 265391, 375461, 2628227, 11639291, 81475037]

約数ペア:

[(1, 81475037), (7, 11639291), (31, 2628227), (217, 375461), (307, 265391), (1223, 66619), (2149, 37913), (8561, 9517)]