90854217

素因数分解:

$3^4\times {\mathrm{181}}^1\times {\mathrm{6197}}^1$

素因数の和:6390

約数の個数: 20

約数和(自身を含む): 136492356

約数和(自身を除く): 45638139

約数列:

[1, 3, 9, 27, 81, 181, 543, 1629, 4887, 6197, 14661, 18591, 55773, 167319, 501957, 1121657, 3364971, 10094913, 30284739, 90854217]

約数ペア:

[(1, 90854217), (3, 30284739), (9, 10094913), (27, 3364971), (81, 1121657), (181, 501957), (543, 167319), (1629, 55773), (4887, 18591), (6197, 14661)]