81722727

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{499}}^1\times {\mathrm{587}}^1$

素因数の和:1123

約数の個数: 24

約数和(自身を含む): 122304000

約数和(自身を除く): 40581273

約数列:

[1, 3, 9, 31, 93, 279, 499, 587, 1497, 1761, 4491, 5283, 15469, 18197, 46407, 54591, 139221, 163773, 292913, 878739, 2636217, 9080303, 27240909, 81722727]

約数ペア:

[(1, 81722727), (3, 27240909), (9, 9080303), (31, 2636217), (93, 878739), (279, 292913), (499, 163773), (587, 139221), (1497, 54591), (1761, 46407), (4491, 18197), (5283, 15469)]