15856687

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:319

約数の個数: 24

約数和(自身を含む): 20228768

約数和(自身を除く): 4372081

約数列:

[1, 7, 11, 77, 97, 121, 193, 679, 847, 1067, 1351, 2123, 7469, 11737, 14861, 18721, 23353, 82159, 131047, 163471, 205931, 1441517, 2265241, 15856687]

約数ペア:

[(1, 15856687), (7, 2265241), (11, 1441517), (77, 205931), (97, 163471), (121, 131047), (193, 82159), (679, 23353), (847, 18721), (1067, 14861), (1351, 11737), (2123, 7469)]