209211037

素因数分解:

$7^2\times {\mathrm{127}}^1\times {\mathrm{33619}}^1$

素因数の和:33760

約数の個数: 12

約数和(自身を含む): 245291520

約数和(自身を除く): 36080483

約数列:

[1, 7, 49, 127, 889, 6223, 33619, 235333, 1647331, 4269613, 29887291, 209211037]

約数ペア:

[(1, 209211037), (7, 29887291), (49, 4269613), (127, 1647331), (889, 235333), (6223, 33619)]