9903945

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{38839}}^1$

素因数の和:38864

約数の個数: 16

約数和(自身を含む): 16778880

約数和(自身を除く): 6874935

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 38839, 116517, 194195, 582585, 660263, 1980789, 3301315, 9903945]

約数ペア:

[(1, 9903945), (3, 3301315), (5, 1980789), (15, 660263), (17, 582585), (51, 194195), (85, 116517), (255, 38839)]