28981206

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{7559}}^1$

素因数の和:7641

約数の個数: 32

約数和(自身を含む): 65318400

約数和(自身を除く): 36337194

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 142, 213, 426, 639, 1278, 1917, 3834, 7559, 15118, 22677, 45354, 68031, 136062, 204093, 408186, 536689, 1073378, 1610067, 3220134, 4830201, 9660402, 14490603, 28981206]

約数ペア:

[(1, 28981206), (2, 14490603), (3, 9660402), (6, 4830201), (9, 3220134), (18, 1610067), (27, 1073378), (54, 536689), (71, 408186), (142, 204093), (213, 136062), (426, 68031), (639, 45354), (1278, 22677), (1917, 15118), (3834, 7559)]