81669645

素因数分解:

$3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{10139}}^1$

素因数の和:10329

約数の個数: 24

約数和(自身を含む): 142365600

約数和(自身を除く): 60695955

約数列:

[1, 3, 5, 9, 15, 45, 179, 537, 895, 1611, 2685, 8055, 10139, 30417, 50695, 91251, 152085, 456255, 1814881, 5444643, 9074405, 16333929, 27223215, 81669645]

約数ペア:

[(1, 81669645), (3, 27223215), (5, 16333929), (9, 9074405), (15, 5444643), (45, 1814881), (179, 456255), (537, 152085), (895, 91251), (1611, 50695), (2685, 30417), (8055, 10139)]