28326249

素因数分解:

$3^2\times 7^1\times {\mathrm{521}}^1\times {\mathrm{863}}^1$

素因数の和:1397

約数の個数: 24

約数和(自身を含む): 46904832

約数和(自身を除く): 18578583

約数列:

[1, 3, 7, 9, 21, 63, 521, 863, 1563, 2589, 3647, 4689, 6041, 7767, 10941, 18123, 32823, 54369, 449623, 1348869, 3147361, 4046607, 9442083, 28326249]

約数ペア:

[(1, 28326249), (3, 9442083), (7, 4046607), (9, 3147361), (21, 1348869), (63, 449623), (521, 54369), (863, 32823), (1563, 18123), (2589, 10941), (3647, 7767), (4689, 6041)]