138712321

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{3203}}^1$

素因数の和:3372

約数の個数: 16

約数和(自身を含む): 157483008

約数和(自身を除く): 18770687

約数列:

[1, 11, 31, 127, 341, 1397, 3203, 3937, 35233, 43307, 99293, 406781, 1092223, 4474591, 12610211, 138712321]

約数ペア:

[(1, 138712321), (11, 12610211), (31, 4474591), (127, 1092223), (341, 406781), (1397, 99293), (3203, 43307), (3937, 35233)]