18723105

素因数分解:

$3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{3037}}^1$

素因数の和:3185

約数の個数: 24

約数和(自身を含む): 32701032

約数和(自身を除く): 13977927

約数列:

[1, 3, 5, 9, 15, 45, 137, 411, 685, 1233, 2055, 3037, 6165, 9111, 15185, 27333, 45555, 136665, 416069, 1248207, 2080345, 3744621, 6241035, 18723105]

約数ペア:

[(1, 18723105), (3, 6241035), (5, 3744621), (9, 2080345), (15, 1248207), (45, 416069), (137, 136665), (411, 45555), (685, 27333), (1233, 15185), (2055, 9111), (3037, 6165)]