129357543

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{2503}}^1$

素因数の和:2643

約数の個数: 32

約数和(自身を含む): 207691776

約数和(自身を除く): 78334233

約数列:

[1, 3, 7, 21, 23, 69, 107, 161, 321, 483, 749, 2247, 2461, 2503, 7383, 7509, 17227, 17521, 51681, 52563, 57569, 172707, 267821, 402983, 803463, 1208949, 1874747, 5624241, 6159883, 18479649, 43119181, 129357543]

約数ペア:

[(1, 129357543), (3, 43119181), (7, 18479649), (21, 6159883), (23, 5624241), (69, 1874747), (107, 1208949), (161, 803463), (321, 402983), (483, 267821), (749, 172707), (2247, 57569), (2461, 52563), (2503, 51681), (7383, 17521), (7509, 17227)]