172509421

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{33713}}^1$

素因数の和:33780

約数の個数: 16

約数和(自身を含む): 213611904

約数和(自身を除く): 41102483

約数列:

[1, 7, 17, 43, 119, 301, 731, 5117, 33713, 235991, 573121, 1449659, 4011847, 10147613, 24644203, 172509421]

約数ペア:

[(1, 172509421), (7, 24644203), (17, 10147613), (43, 4011847), (119, 1449659), (301, 573121), (731, 235991), (5117, 33713)]