28908567

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{499}}^1$

素因数の和:703

約数の個数: 24

約数和(自身を含む): 43134000

約数和(自身を除く): 14225433

約数列:

[1, 3, 9, 41, 123, 157, 369, 471, 499, 1413, 1497, 4491, 6437, 19311, 20459, 57933, 61377, 78343, 184131, 235029, 705087, 3212063, 9636189, 28908567]

約数ペア:

[(1, 28908567), (3, 9636189), (9, 3212063), (41, 705087), (123, 235029), (157, 184131), (369, 78343), (471, 61377), (499, 57933), (1413, 20459), (1497, 19311), (4491, 6437)]