12149151

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{30449}}^1$

素因数の和:30478

約数の個数: 16

約数和(自身を含む): 19488000

約数和(自身を除く): 7338849

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 30449, 91347, 213143, 578531, 639429, 1735593, 4049717, 12149151]

約数ペア:

[(1, 12149151), (3, 4049717), (7, 1735593), (19, 639429), (21, 578531), (57, 213143), (133, 91347), (399, 30449)]