28802739

素因数分解:

$3^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{1217}}^1$

素因数の和:1264

約数の個数: 32

約数和(自身を含む): 46771200

約数和(自身を除く): 17968461

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 343, 483, 1029, 1127, 1217, 3381, 3651, 7889, 8519, 23667, 25557, 27991, 59633, 83973, 178899, 195937, 417431, 587811, 1252293, 1371559, 4114677, 9600913, 28802739]

約数ペア:

[(1, 28802739), (3, 9600913), (7, 4114677), (21, 1371559), (23, 1252293), (49, 587811), (69, 417431), (147, 195937), (161, 178899), (343, 83973), (483, 59633), (1029, 27991), (1127, 25557), (1217, 23667), (3381, 8519), (3651, 7889)]