201922821

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{439919}}^1$

素因数の和:439945

約数の個数: 16

約数和(自身を含む): 316742400

約数和(自身を除く): 114819579

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 439919, 1319757, 3959271, 7478623, 11877813, 22435869, 67307607, 201922821]

約数ペア:

[(1, 201922821), (3, 67307607), (9, 22435869), (17, 11877813), (27, 7478623), (51, 3959271), (153, 1319757), (459, 439919)]