28863387

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{14779}}^1$

素因数の和:14823

約数の個数: 24

約数和(自身を含む): 49187840

約数和(自身を除く): 20324453

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 14779, 44337, 103453, 133011, 310359, 458149, 931077, 1374447, 3207043, 4123341, 9621129, 28863387]

約数ペア:

[(1, 28863387), (3, 9621129), (7, 4123341), (9, 3207043), (21, 1374447), (31, 931077), (63, 458149), (93, 310359), (217, 133011), (279, 103453), (651, 44337), (1953, 14779)]