6987687

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:323

約数の個数: 32

約数和(自身を含む): 11397120

約数和(自身を除く): 4409433

約数列:

[1, 3, 7, 19, 21, 57, 83, 133, 211, 249, 399, 581, 633, 1477, 1577, 1743, 4009, 4431, 4731, 11039, 12027, 17513, 28063, 33117, 52539, 84189, 122591, 332747, 367773, 998241, 2329229, 6987687]

約数ペア:

[(1, 6987687), (3, 2329229), (7, 998241), (19, 367773), (21, 332747), (57, 122591), (83, 84189), (133, 52539), (211, 33117), (249, 28063), (399, 17513), (581, 12027), (633, 11039), (1477, 4731), (1577, 4431), (1743, 4009)]