9947847

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{2803}}^1$

素因数の和:2839

約数の個数: 24

約数和(自身を含む): 16420224

約数和(自身を除く): 6472377

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1183, 2803, 3549, 8409, 19621, 36439, 58863, 109317, 255073, 473707, 765219, 1421121, 3315949, 9947847]

約数ペア:

[(1, 9947847), (3, 3315949), (7, 1421121), (13, 765219), (21, 473707), (39, 255073), (91, 109317), (169, 58863), (273, 36439), (507, 19621), (1183, 8409), (2803, 3549)]