81608805

素因数分解:

$3^2\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{1759}}^1$

素因数の和:2801

約数の個数: 24

約数和(自身を含む): 141672960

約数和(自身を除く): 60064155

約数列:

[1, 3, 5, 9, 15, 45, 1031, 1759, 3093, 5155, 5277, 8795, 9279, 15465, 15831, 26385, 46395, 79155, 1813529, 5440587, 9067645, 16321761, 27202935, 81608805]

約数ペア:

[(1, 81608805), (3, 27202935), (5, 16321761), (9, 9067645), (15, 5440587), (45, 1813529), (1031, 79155), (1759, 46395), (3093, 26385), (5155, 15831), (5277, 15465), (8795, 9279)]