6567981

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:233

約数の個数: 32

約数和(自身を含む): 10506240

約数和(自身を除く): 3938259

約数列:

[1, 3, 7, 21, 37, 79, 107, 111, 237, 259, 321, 553, 749, 777, 1659, 2247, 2923, 3959, 8453, 8769, 11877, 20461, 25359, 27713, 59171, 61383, 83139, 177513, 312761, 938283, 2189327, 6567981]

約数ペア:

[(1, 6567981), (3, 2189327), (7, 938283), (21, 312761), (37, 177513), (79, 83139), (107, 61383), (111, 59171), (237, 27713), (259, 25359), (321, 20461), (553, 11877), (749, 8769), (777, 8453), (1659, 3959), (2247, 2923)]