81186645

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{1759}}^1$

素因数の和:1965

約数の個数: 32

約数和(自身を含む): 138378240

約数和(自身を除く): 57191595

約数列:

[1, 3, 5, 15, 17, 51, 85, 181, 255, 543, 905, 1759, 2715, 3077, 5277, 8795, 9231, 15385, 26385, 29903, 46155, 89709, 149515, 318379, 448545, 955137, 1591895, 4775685, 5412443, 16237329, 27062215, 81186645]

約数ペア:

[(1, 81186645), (3, 27062215), (5, 16237329), (15, 5412443), (17, 4775685), (51, 1591895), (85, 955137), (181, 448545), (255, 318379), (543, 149515), (905, 89709), (1759, 46155), (2715, 29903), (3077, 26385), (5277, 15385), (8795, 9231)]