2668143

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:326

約数の個数: 16

約数和(自身を含む): 3686400

約数和(自身を除く): 1018257

約数列:

[1, 3, 47, 127, 141, 149, 381, 447, 5969, 7003, 17907, 18923, 21009, 56769, 889381, 2668143]

約数ペア:

[(1, 2668143), (3, 889381), (47, 56769), (127, 21009), (141, 18923), (149, 17907), (381, 7003), (447, 5969)]