27728649

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1549}}^1$

素因数の和:1591

約数の個数: 40

約数和(自身を含む): 47262600

約数和(自身を除く): 19533951

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 81, 117, 153, 221, 351, 459, 663, 1053, 1377, 1549, 1989, 4647, 5967, 13941, 17901, 20137, 26333, 41823, 60411, 78999, 125469, 181233, 236997, 342329, 543699, 710991, 1026987, 1631097, 2132973, 3080961, 9242883, 27728649]

約数ペア:

[(1, 27728649), (3, 9242883), (9, 3080961), (13, 2132973), (17, 1631097), (27, 1026987), (39, 710991), (51, 543699), (81, 342329), (117, 236997), (153, 181233), (221, 125469), (351, 78999), (459, 60411), (663, 41823), (1053, 26333), (1377, 20137), (1549, 17901), (1989, 13941), (4647, 5967)]