28480431

素因数分解:

$3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{7027}}^1$

素因数の和:7230

約数の個数: 16

約数和(自身を含む): 43629824

約数和(自身を除く): 15149393

約数列:

[1, 3, 7, 21, 193, 579, 1351, 4053, 7027, 21081, 49189, 147567, 1356211, 4068633, 9493477, 28480431]

約数ペア:

[(1, 28480431), (3, 9493477), (7, 4068633), (21, 1356211), (193, 147567), (579, 49189), (1351, 21081), (4053, 7027)]