28335747

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1009}}^1$

素因数の和:1083

約数の個数: 32

約数和(自身を含む): 44213760

約数和(自身を除く): 15878013

約数列:

[1, 3, 11, 23, 33, 37, 69, 111, 253, 407, 759, 851, 1009, 1221, 2553, 3027, 9361, 11099, 23207, 28083, 33297, 37333, 69621, 111999, 255277, 410663, 765831, 858659, 1231989, 2575977, 9445249, 28335747]

約数ペア:

[(1, 28335747), (3, 9445249), (11, 2575977), (23, 1231989), (33, 858659), (37, 765831), (69, 410663), (111, 255277), (253, 111999), (407, 69621), (759, 37333), (851, 33297), (1009, 28083), (1221, 23207), (2553, 11099), (3027, 9361)]