15620517

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1901}}^1$

素因数の和:2001

約数の個数: 24

約数和(自身を含む): 24923808

約数和(自身を除く): 9303291

約数列:

[1, 3, 9, 11, 33, 83, 99, 249, 747, 913, 1901, 2739, 5703, 8217, 17109, 20911, 62733, 157783, 188199, 473349, 1420047, 1735613, 5206839, 15620517]

約数ペア:

[(1, 15620517), (3, 5206839), (9, 1735613), (11, 1420047), (33, 473349), (83, 188199), (99, 157783), (249, 62733), (747, 20911), (913, 17109), (1901, 8217), (2739, 5703)]