12911721

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{619}}^1$

素因数の和:1048

約数の個数: 16

約数和(自身を含む): 18302400

約数和(自身を除く): 5390679

約数列:

[1, 3, 17, 51, 409, 619, 1227, 1857, 6953, 10523, 20859, 31569, 253171, 759513, 4303907, 12911721]

約数ペア:

[(1, 12911721), (3, 4303907), (17, 759513), (51, 253171), (409, 31569), (619, 20859), (1227, 10523), (1857, 6953)]