138827521

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{7561}}^1$

素因数の和:7672

約数の個数: 16

約数和(自身を含む): 165033088

約数和(自身を除く): 26205567

約数列:

[1, 7, 43, 61, 301, 427, 2623, 7561, 18361, 52927, 325123, 461221, 2275861, 3228547, 19832503, 138827521]

約数ペア:

[(1, 138827521), (7, 19832503), (43, 3228547), (61, 2275861), (301, 461221), (427, 325123), (2623, 52927), (7561, 18361)]