2899143

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:439

約数の個数: 24

約数和(自身を含む): 4586400

約数和(自身を除く): 1687257

約数列:

[1, 3, 9, 13, 39, 71, 117, 213, 349, 639, 923, 1047, 2769, 3141, 4537, 8307, 13611, 24779, 40833, 74337, 223011, 322127, 966381, 2899143]

約数ペア:

[(1, 2899143), (3, 966381), (9, 322127), (13, 223011), (39, 74337), (71, 40833), (117, 24779), (213, 13611), (349, 8307), (639, 4537), (923, 3141), (1047, 2769)]