12951891

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{20269}}^1$

素因数の和:20346

約数の個数: 12

約数和(自身を含む): 18972720

約数和(自身を除く): 6020829

約数列:

[1, 3, 9, 71, 213, 639, 20269, 60807, 182421, 1439099, 4317297, 12951891]

約数ペア:

[(1, 12951891), (3, 4317297), (9, 1439099), (71, 182421), (213, 60807), (639, 20269)]