13175239

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{431}}^1$

素因数の和:846

約数の個数: 16

約数和(自身を含む): 16505856

約数和(自身を除く): 3330617

約数列:

[1, 7, 11, 77, 397, 431, 2779, 3017, 4367, 4741, 30569, 33187, 171107, 1197749, 1882177, 13175239]

約数ペア:

[(1, 13175239), (7, 1882177), (11, 1197749), (77, 171107), (397, 33187), (431, 30569), (2779, 4741), (3017, 4367)]