199915521

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{2011}}^1\times {\mathrm{2549}}^1$

素因数の和:4576

約数の個数: 16

約数和(自身を含む): 287313600

約数和(自身を除く): 87398079

約数列:

[1, 3, 13, 39, 2011, 2549, 6033, 7647, 26143, 33137, 78429, 99411, 5126039, 15378117, 66638507, 199915521]

約数ペア:

[(1, 199915521), (3, 66638507), (13, 15378117), (39, 5126039), (2011, 99411), (2549, 78429), (6033, 33137), (7647, 26143)]