438140385

素因数分解:

$3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{71069}}^1$

素因数の和:71217

約数の個数: 24

約数和(自身を含む): 764997480

約数和(自身を除く): 326857095

約数列:

[1, 3, 5, 9, 15, 45, 137, 411, 685, 1233, 2055, 6165, 71069, 213207, 355345, 639621, 1066035, 3198105, 9736453, 29209359, 48682265, 87628077, 146046795, 438140385]

約数ペア:

[(1, 438140385), (3, 146046795), (5, 87628077), (9, 48682265), (15, 29209359), (45, 9736453), (137, 3198105), (411, 1066035), (685, 639621), (1233, 355345), (2055, 213207), (6165, 71069)]