68109167

素因数分解:

$7^4\times {\mathrm{19}}^1\times {\mathrm{1493}}^1$

素因数の和:1540

約数の個数: 20

約数和(自身を含む): 83693880

約数和(自身を除く): 15584713

約数列:

[1, 7, 19, 49, 133, 343, 931, 1493, 2401, 6517, 10451, 28367, 45619, 73157, 198569, 512099, 1389983, 3584693, 9729881, 68109167]

約数ペア:

[(1, 68109167), (7, 9729881), (19, 3584693), (49, 1389983), (133, 512099), (343, 198569), (931, 73157), (1493, 45619), (2401, 28367), (6517, 10451)]