208742365209

素因数分解:

$3^1\times 7^1\times {\mathrm{1117}}^1\times {\mathrm{8898937}}^1$

素因数の和:8900064

約数の個数: 16

約数和(自身を含む): 318368405888

約数和(自身を除く): 109626040679

約数列:

[1, 3, 7, 21, 1117, 3351, 7819, 23457, 8898937, 26696811, 62292559, 186877677, 9940112629, 29820337887, 69580788403, 208742365209]

約数ペア:

[(1, 208742365209), (3, 69580788403), (7, 29820337887), (21, 9940112629), (1117, 186877677), (3351, 62292559), (7819, 26696811), (23457, 8898937)]