25503687

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1997}}^1$

素因数の和:2060

約数の個数: 32

約数和(自身を含む): 42197760

約数和(自身を除く): 16694073

約数列:

[1, 3, 9, 11, 27, 33, 43, 99, 129, 297, 387, 473, 1161, 1419, 1997, 4257, 5991, 12771, 17973, 21967, 53919, 65901, 85871, 197703, 257613, 593109, 772839, 944581, 2318517, 2833743, 8501229, 25503687]

約数ペア:

[(1, 25503687), (3, 8501229), (9, 2833743), (11, 2318517), (27, 944581), (33, 772839), (43, 593109), (99, 257613), (129, 197703), (297, 85871), (387, 65901), (473, 53919), (1161, 21967), (1419, 17973), (1997, 12771), (4257, 5991)]