81604437

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{953}}^1$

素因数の和:1069

約数の個数: 32

約数和(自身を含む): 121989888

約数和(自身を除く): 40385451

約数列:

[1, 3, 17, 23, 51, 69, 73, 219, 391, 953, 1173, 1241, 1679, 2859, 3723, 5037, 16201, 21919, 28543, 48603, 65757, 69569, 85629, 208707, 372623, 1117869, 1182673, 1600087, 3548019, 4800261, 27201479, 81604437]

約数ペア:

[(1, 81604437), (3, 27201479), (17, 4800261), (23, 3548019), (51, 1600087), (69, 1182673), (73, 1117869), (219, 372623), (391, 208707), (953, 85629), (1173, 69569), (1241, 65757), (1679, 48603), (2859, 28543), (3723, 21919), (5037, 16201)]