25530471

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{313}}^1$

素因数の和:397

約数の個数: 40

約数和(自身を含む): 41033520

約数和(自身を除く): 15503049

約数列:

[1, 3, 9, 19, 27, 53, 57, 81, 159, 171, 313, 477, 513, 939, 1007, 1431, 1539, 2817, 3021, 4293, 5947, 8451, 9063, 16589, 17841, 25353, 27189, 49767, 53523, 81567, 149301, 160569, 315191, 447903, 481707, 945573, 1343709, 2836719, 8510157, 25530471]

約数ペア:

[(1, 25530471), (3, 8510157), (9, 2836719), (19, 1343709), (27, 945573), (53, 481707), (57, 447903), (81, 315191), (159, 160569), (171, 149301), (313, 81567), (477, 53523), (513, 49767), (939, 27189), (1007, 25353), (1431, 17841), (1539, 16589), (2817, 9063), (3021, 8451), (4293, 5947)]