28003845

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109819}}^1$

素因数の和:109844

約数の個数: 16

約数和(自身を含む): 47442240

約数和(自身を除く): 19438395

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 109819, 329457, 549095, 1647285, 1866923, 5600769, 9334615, 28003845]

約数ペア:

[(1, 28003845), (3, 9334615), (5, 5600769), (15, 1866923), (17, 1647285), (51, 549095), (85, 329457), (255, 109819)]