12939261

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{4787}}^1$

素因数の和:4860

約数の個数: 16

約数和(自身を含む): 18615744

約数和(自身を除く): 5676483

約数列:

[1, 3, 17, 51, 53, 159, 901, 2703, 4787, 14361, 81379, 244137, 253711, 761133, 4313087, 12939261]

約数ペア:

[(1, 12939261), (3, 4313087), (17, 761133), (51, 253711), (53, 244137), (159, 81379), (901, 14361), (2703, 4787)]