129135321

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{653}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 221460096

約数和(自身を除く): 92324775

約数列:

[1, 3, 7, 9, 21, 43, 63, 73, 129, 219, 301, 387, 511, 653, 657, 903, 1533, 1959, 2709, 3139, 4571, 4599, 5877, 9417, 13713, 21973, 28079, 28251, 41139, 47669, 65919, 84237, 143007, 196553, 197757, 252711, 333683, 429021, 589659, 1001049, 1768977, 2049767, 3003147, 6149301, 14348369, 18447903, 43045107, 129135321]

約数ペア:

[(1, 129135321), (3, 43045107), (7, 18447903), (9, 14348369), (21, 6149301), (43, 3003147), (63, 2049767), (73, 1768977), (129, 1001049), (219, 589659), (301, 429021), (387, 333683), (511, 252711), (653, 197757), (657, 196553), (903, 143007), (1533, 84237), (1959, 65919), (2709, 47669), (3139, 41139), (4571, 28251), (4599, 28079), (5877, 21973), (9417, 13713)]