231750309

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1\times {\mathrm{349}}^1$

素因数の和:769

約数の個数: 32

約数和(自身を含む): 358758400

約数和(自身を除く): 127008091

約数列:

[1, 3, 7, 21, 103, 307, 309, 349, 721, 921, 1047, 2149, 2163, 2443, 6447, 7329, 31621, 35947, 94863, 107143, 107841, 221347, 251629, 321429, 664041, 750001, 754887, 2250003, 11035729, 33107187, 77250103, 231750309]

約数ペア:

[(1, 231750309), (3, 77250103), (7, 33107187), (21, 11035729), (103, 2250003), (307, 754887), (309, 750001), (349, 664041), (721, 321429), (921, 251629), (1047, 221347), (2149, 107841), (2163, 107143), (2443, 94863), (6447, 35947), (7329, 31621)]