81784297

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29881}}^1$

素因数の和:29928

約数の個数: 16

約数和(自身を含む): 103272192

約数和(自身を除く): 21487895

約数列:

[1, 7, 17, 23, 119, 161, 391, 2737, 29881, 209167, 507977, 687263, 3555839, 4810841, 11683471, 81784297]

約数ペア:

[(1, 81784297), (7, 11683471), (17, 4810841), (23, 3555839), (119, 687263), (161, 507977), (391, 209167), (2737, 29881)]