25528689

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:299

約数の個数: 40

約数和(自身を含む): 40563072

約数和(自身を除く): 15034383

約数列:

[1, 3, 9, 23, 27, 69, 71, 81, 193, 207, 213, 579, 621, 639, 1633, 1737, 1863, 1917, 4439, 4899, 5211, 5751, 13317, 13703, 14697, 15633, 39951, 41109, 44091, 119853, 123327, 132273, 315169, 359559, 369981, 945507, 1109943, 2836521, 8509563, 25528689]

約数ペア:

[(1, 25528689), (3, 8509563), (9, 2836521), (23, 1109943), (27, 945507), (69, 369981), (71, 359559), (81, 315169), (193, 132273), (207, 123327), (213, 119853), (579, 44091), (621, 41109), (639, 39951), (1633, 15633), (1737, 14697), (1863, 13703), (1917, 13317), (4439, 5751), (4899, 5211)]