2989467

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1$

素因数の和:209

約数の個数: 40

約数和(自身を含む): 5122656

約数和(自身を除く): 2133189

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 81, 117, 153, 167, 221, 351, 459, 501, 663, 1053, 1377, 1503, 1989, 2171, 2839, 4509, 5967, 6513, 8517, 13527, 17901, 19539, 25551, 36907, 58617, 76653, 110721, 175851, 229959, 332163, 996489, 2989467]

約数ペア:

[(1, 2989467), (3, 996489), (9, 332163), (13, 229959), (17, 175851), (27, 110721), (39, 76653), (51, 58617), (81, 36907), (117, 25551), (153, 19539), (167, 17901), (221, 13527), (351, 8517), (459, 6513), (501, 5967), (663, 4509), (1053, 2839), (1377, 2171), (1503, 1989)]