128826369

素因数分解:

$3^4\times 7^1\times {\mathrm{227207}}^1$

素因数の和:227226

約数の個数: 20

約数和(自身を含む): 219937344

約数和(自身を除く): 91110975

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 227207, 681621, 1590449, 2044863, 4771347, 6134589, 14314041, 18403767, 42942123, 128826369]

約数ペア:

[(1, 128826369), (3, 42942123), (7, 18403767), (9, 14314041), (21, 6134589), (27, 4771347), (63, 2044863), (81, 1590449), (189, 681621), (567, 227207)]