12949377

素因数分解:

$3^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{643}}^1$

素因数の和:797

約数の個数: 24

約数和(自身を含む): 20262816

約数和(自身を除く): 7313439

約数列:

[1, 3, 7, 21, 49, 137, 147, 411, 643, 959, 1929, 2877, 4501, 6713, 13503, 20139, 31507, 88091, 94521, 264273, 616637, 1849911, 4316459, 12949377]

約数ペア:

[(1, 12949377), (3, 4316459), (7, 1849911), (21, 616637), (49, 264273), (137, 94521), (147, 88091), (411, 31507), (643, 20139), (959, 13503), (1929, 6713), (2877, 4501)]