78382971

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{56923}}^1$

素因数の和:56952

約数の個数: 20

約数和(自身を含む): 123980472

約数和(自身を除く): 45597501

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 56923, 170769, 512307, 967691, 1536921, 2903073, 4610763, 8709219, 26127657, 78382971]

約数ペア:

[(1, 78382971), (3, 26127657), (9, 8709219), (17, 4610763), (27, 2903073), (51, 1536921), (81, 967691), (153, 512307), (459, 170769), (1377, 56923)]