201881121

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1\times {\mathrm{457}}^1$

素因数の和:761

約数の個数: 32

約数和(自身を含む): 297927168

約数和(自身を除く): 96046047

約数列:

[1, 3, 13, 39, 47, 141, 241, 457, 611, 723, 1371, 1833, 3133, 5941, 9399, 11327, 17823, 21479, 33981, 64437, 110137, 147251, 279227, 330411, 441753, 837681, 1431781, 4295343, 5176439, 15529317, 67293707, 201881121]

約数ペア:

[(1, 201881121), (3, 67293707), (13, 15529317), (39, 5176439), (47, 4295343), (141, 1431781), (241, 837681), (457, 441753), (611, 330411), (723, 279227), (1371, 147251), (1833, 110137), (3133, 64437), (5941, 33981), (9399, 21479), (11327, 17823)]