1255993347

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3147853}}^1$

素因数の和:3147882

約数の個数: 16

約数和(自身を含む): 2014626560

約数和(自身を除く): 758633213

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 3147853, 9443559, 22034971, 59809207, 66104913, 179427621, 418664449, 1255993347]

約数ペア:

[(1, 1255993347), (3, 418664449), (7, 179427621), (19, 66104913), (21, 59809207), (57, 22034971), (133, 9443559), (399, 3147853)]