81395821

素因数分解:

${\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{827}}^1$

素因数の和:1020

約数の個数: 16

約数和(自身を含む): 89861184

約数和(自身を除く): 8465363

約数列:

[1, 13, 67, 113, 827, 871, 1469, 7571, 10751, 55409, 93451, 98423, 720317, 1214863, 6261217, 81395821]

約数ペア:

[(1, 81395821), (13, 6261217), (67, 1214863), (113, 720317), (827, 98423), (871, 93451), (1469, 55409), (7571, 10751)]