78819021

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{171719}}^1$

素因数の和:171745

約数の個数: 16

約数和(自身を含む): 123638400

約数和(自身を除く): 44819379

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 171719, 515157, 1545471, 2919223, 4636413, 8757669, 26273007, 78819021]

約数ペア:

[(1, 78819021), (3, 26273007), (9, 8757669), (17, 4636413), (27, 2919223), (51, 1545471), (153, 515157), (459, 171719)]