12553989

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 19961856

約数和(自身を除く): 7407867

約数列:

[1, 3, 7, 21, 37, 107, 111, 151, 259, 321, 453, 749, 777, 1057, 2247, 3171, 3959, 5587, 11877, 16157, 16761, 27713, 39109, 48471, 83139, 113099, 117327, 339297, 597809, 1793427, 4184663, 12553989]

約数ペア:

[(1, 12553989), (3, 4184663), (7, 1793427), (21, 597809), (37, 339297), (107, 117327), (111, 113099), (151, 83139), (259, 48471), (321, 39109), (453, 27713), (749, 16761), (777, 16157), (1057, 11877), (2247, 5587), (3171, 3959)]