127917881

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{8731}}^1$

素因数の和:8781

約数の個数: 24

約数和(自身を含む): 167235264

約数和(自身を除く): 39317383

約数列:

[1, 7, 13, 23, 49, 91, 161, 299, 637, 1127, 2093, 8731, 14651, 61117, 113503, 200813, 427819, 794521, 1405691, 2610569, 5561647, 9839837, 18273983, 127917881]

約数ペア:

[(1, 127917881), (7, 18273983), (13, 9839837), (23, 5561647), (49, 2610569), (91, 1405691), (161, 794521), (299, 427819), (637, 200813), (1127, 113503), (2093, 61117), (8731, 14651)]