68215221

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{8431}}^1$

素因数の和:8497

約数の個数: 24

約数和(自身を含む): 105231360

約数和(自身を除く): 37016139

約数列:

[1, 3, 9, 29, 31, 87, 93, 261, 279, 899, 2697, 8091, 8431, 25293, 75879, 244499, 261361, 733497, 784083, 2200491, 2352249, 7579469, 22738407, 68215221]

約数ペア:

[(1, 68215221), (3, 22738407), (9, 7579469), (29, 2352249), (31, 2200491), (87, 784083), (93, 733497), (261, 261361), (279, 244499), (899, 75879), (2697, 25293), (8091, 8431)]