28192311

素因数分解:

$3^2\times 7^1\times {\mathrm{661}}^1\times {\mathrm{677}}^1$

素因数の和:1351

約数の個数: 24

約数和(自身を含む): 46678944

約数和(自身を除く): 18486633

約数列:

[1, 3, 7, 9, 21, 63, 661, 677, 1983, 2031, 4627, 4739, 5949, 6093, 13881, 14217, 41643, 42651, 447497, 1342491, 3132479, 4027473, 9397437, 28192311]

約数ペア:

[(1, 28192311), (3, 9397437), (7, 4027473), (9, 3132479), (21, 1342491), (63, 447497), (661, 42651), (677, 41643), (1983, 14217), (2031, 13881), (4627, 6093), (4739, 5949)]