11747673

素因数分解:

$3^4\times 7^1\times {\mathrm{20719}}^1$

素因数の和:20738

約数の個数: 20

約数和(自身を含む): 20056960

約数和(自身を除く): 8309287

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 20719, 62157, 145033, 186471, 435099, 559413, 1305297, 1678239, 3915891, 11747673]

約数ペア:

[(1, 11747673), (3, 3915891), (7, 1678239), (9, 1305297), (21, 559413), (27, 435099), (63, 186471), (81, 145033), (189, 62157), (567, 20719)]