12797253

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2861}}^1$

素因数の和:2945

約数の個数: 24

約数和(自身を含む): 21430656

約数和(自身を除く): 8633403

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 2861, 4473, 8583, 20027, 25749, 60081, 180243, 203131, 609393, 1421917, 1828179, 4265751, 12797253]

約数ペア:

[(1, 12797253), (3, 4265751), (7, 1828179), (9, 1421917), (21, 609393), (63, 203131), (71, 180243), (213, 60081), (497, 25749), (639, 20027), (1491, 8583), (2861, 4473)]