81359551

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{379}}^1$

素因数の和:743

約数の個数: 24

約数和(自身を含む): 102495120

約数和(自身を除く): 21135569

約数列:

[1, 7, 13, 49, 91, 337, 379, 637, 2359, 2653, 4381, 4927, 16513, 18571, 30667, 34489, 127723, 214669, 241423, 894061, 1660399, 6258427, 11622793, 81359551]

約数ペア:

[(1, 81359551), (7, 11622793), (13, 6258427), (49, 1660399), (91, 894061), (337, 241423), (379, 214669), (637, 127723), (2359, 34489), (2653, 30667), (4381, 18571), (4927, 16513)]