208575163953

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{643}}^1\times {\mathrm{17659}}^1$

素因数の和:18478

約数の個数: 48

約数和(自身を含む): 327043138240

約数和(自身を除く): 118467974287

約数列:

[1, 3, 9, 13, 39, 117, 157, 471, 643, 1413, 1929, 2041, 5787, 6123, 8359, 17659, 18369, 25077, 52977, 75231, 100951, 158931, 229567, 302853, 688701, 908559, 1312363, 2066103, 2772463, 3937089, 8317389, 11354737, 11811267, 24952167, 34064211, 36042019, 102192633, 108126057, 147611581, 324378171, 442834743, 1328504229, 1782693709, 5348081127, 16044243381, 23175018217, 69525054651, 208575163953]

約数ペア:

[(1, 208575163953), (3, 69525054651), (9, 23175018217), (13, 16044243381), (39, 5348081127), (117, 1782693709), (157, 1328504229), (471, 442834743), (643, 324378171), (1413, 147611581), (1929, 108126057), (2041, 102192633), (5787, 36042019), (6123, 34064211), (8359, 24952167), (17659, 11811267), (18369, 11354737), (25077, 8317389), (52977, 3937089), (75231, 2772463), (100951, 2066103), (158931, 1312363), (229567, 908559), (302853, 688701)]