15140279

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:227

約数の個数: 32

約数和(自身を含む): 20127744

約数和(自身を除く): 4987465

約数列:

[1, 7, 11, 23, 77, 83, 103, 161, 253, 581, 721, 913, 1133, 1771, 1909, 2369, 6391, 7931, 8549, 13363, 16583, 20999, 26059, 59843, 94039, 146993, 182413, 196627, 658273, 1376389, 2162897, 15140279]

約数ペア:

[(1, 15140279), (7, 2162897), (11, 1376389), (23, 658273), (77, 196627), (83, 182413), (103, 146993), (161, 94039), (253, 59843), (581, 26059), (721, 20999), (913, 16583), (1133, 13363), (1771, 8549), (1909, 7931), (2369, 6391)]