1992123

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:423

約数の個数: 24

約数和(自身を含む): 3331328

約数和(自身を除く): 1339205

約数列:

[1, 3, 7, 9, 21, 63, 103, 307, 309, 721, 921, 927, 2149, 2163, 2763, 6447, 6489, 19341, 31621, 94863, 221347, 284589, 664041, 1992123]

約数ペア:

[(1, 1992123), (3, 664041), (7, 284589), (9, 221347), (21, 94863), (63, 31621), (103, 19341), (307, 6489), (309, 6447), (721, 2763), (921, 2163), (927, 2149)]