28406835

素因数分解:

$3^3\times 5^1\times {\mathrm{210421}}^1$

素因数の和:210435

約数の個数: 16

約数和(自身を含む): 50501280

約数和(自身を除く): 22094445

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 210421, 631263, 1052105, 1893789, 3156315, 5681367, 9468945, 28406835]

約数ペア:

[(1, 28406835), (3, 9468945), (5, 5681367), (9, 3156315), (15, 1893789), (27, 1052105), (45, 631263), (135, 210421)]