28733331

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{20249}}^1$

素因数の和:20306

約数の個数: 16

約数和(自身を含む): 42768000

約数和(自身を除く): 14034669

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 20249, 60747, 222739, 668217, 870707, 2612121, 9577777, 28733331]

約数ペア:

[(1, 28733331), (3, 9577777), (11, 2612121), (33, 870707), (43, 668217), (129, 222739), (473, 60747), (1419, 20249)]