28058751

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4789}}^1$

素因数の和:4836

約数の個数: 32

約数和(自身を含む): 49049600

約数和(自身を除く): 20990849

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 189, 217, 279, 651, 837, 1953, 4789, 5859, 14367, 33523, 43101, 100569, 129303, 148459, 301707, 445377, 905121, 1039213, 1336131, 3117639, 4008393, 9352917, 28058751]

約数ペア:

[(1, 28058751), (3, 9352917), (7, 4008393), (9, 3117639), (21, 1336131), (27, 1039213), (31, 905121), (63, 445377), (93, 301707), (189, 148459), (217, 129303), (279, 100569), (651, 43101), (837, 33523), (1953, 14367), (4789, 5859)]