86990679

素因数分解:

$3^4\times {\mathrm{107}}^1\times {\mathrm{10037}}^1$

素因数の和:10156

約数の個数: 20

約数和(自身を含む): 131176584

約数和(自身を除く): 44185905

約数列:

[1, 3, 9, 27, 81, 107, 321, 963, 2889, 8667, 10037, 30111, 90333, 270999, 812997, 1073959, 3221877, 9665631, 28996893, 86990679]

約数ペア:

[(1, 86990679), (3, 28996893), (9, 9665631), (27, 3221877), (81, 1073959), (107, 812997), (321, 270999), (963, 90333), (2889, 30111), (8667, 10037)]