171087231

素因数分解:

$3^1\times 7^1\times {\mathrm{991}}^1\times {\mathrm{8221}}^1$

素因数の和:9222

約数の個数: 16

約数和(自身を含む): 260999168

約数和(自身を除く): 89911937

約数列:

[1, 3, 7, 21, 991, 2973, 6937, 8221, 20811, 24663, 57547, 172641, 8147011, 24441033, 57029077, 171087231]

約数ペア:

[(1, 171087231), (3, 57029077), (7, 24441033), (21, 8147011), (991, 172641), (2973, 57547), (6937, 24663), (8221, 20811)]