12887649

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{643}}^1$

素因数の和:797

約数の個数: 24

約数和(自身を含む): 19891872

約数和(自身を除く): 7004223

約数列:

[1, 3, 9, 17, 51, 131, 153, 393, 643, 1179, 1929, 2227, 5787, 6681, 10931, 20043, 32793, 84233, 98379, 252699, 758097, 1431961, 4295883, 12887649]

約数ペア:

[(1, 12887649), (3, 4295883), (9, 1431961), (17, 758097), (51, 252699), (131, 98379), (153, 84233), (393, 32793), (643, 20043), (1179, 10931), (1929, 6681), (2227, 5787)]