68878859

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{8731}}^1$

素因数の和:8775

約数の個数: 16

約数和(自身を含む): 83827200

約数和(自身を除く): 14948341

約数列:

[1, 7, 23, 49, 161, 343, 1127, 7889, 8731, 61117, 200813, 427819, 1405691, 2994733, 9839837, 68878859]

約数ペア:

[(1, 68878859), (7, 9839837), (23, 2994733), (49, 1405691), (161, 427819), (343, 200813), (1127, 61117), (7889, 8731)]