2586261

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:213

約数の個数: 24

約数和(自身を含む): 3880480

約数和(自身を除く): 1294219

約数列:

[1, 3, 17, 19, 51, 57, 157, 289, 323, 471, 867, 969, 2669, 2983, 5491, 8007, 8949, 16473, 45373, 50711, 136119, 152133, 862087, 2586261]

約数ペア:

[(1, 2586261), (3, 862087), (17, 152133), (19, 136119), (51, 50711), (57, 45373), (157, 16473), (289, 8949), (323, 8007), (471, 5491), (867, 2983), (969, 2669)]