81530239

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1\times {\mathrm{1451}}^1$

素因数の和:1830

約数の個数: 16

約数和(自身を含む): 97574400

約数和(自身を除く): 16044161

約数列:

[1, 7, 23, 161, 349, 1451, 2443, 8027, 10157, 33373, 56189, 233611, 506399, 3544793, 11647177, 81530239]

約数ペア:

[(1, 81530239), (7, 11647177), (23, 3544793), (161, 506399), (349, 233611), (1451, 56189), (2443, 33373), (8027, 10157)]