12986691

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{1709}}^1$

素因数の和:1878

約数の個数: 16

約数和(自身を含む): 18468000

約数和(自身を除く): 5481309

約数列:

[1, 3, 17, 51, 149, 447, 1709, 2533, 5127, 7599, 29053, 87159, 254641, 763923, 4328897, 12986691]

約数ペア:

[(1, 12986691), (3, 4328897), (17, 763923), (51, 254641), (149, 87159), (447, 29053), (1709, 7599), (2533, 5127)]