28243845

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{12809}}^1$

素因数の和:12834

約数の個数: 36

約数和(自身を含む): 56953260

約数和(自身を除く): 28709415

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 12809, 38427, 64045, 89663, 115281, 192135, 268989, 448315, 576405, 627641, 806967, 1344945, 1882923, 3138205, 4034835, 5648769, 9414615, 28243845]

約数ペア:

[(1, 28243845), (3, 9414615), (5, 5648769), (7, 4034835), (9, 3138205), (15, 1882923), (21, 1344945), (35, 806967), (45, 627641), (49, 576405), (63, 448315), (105, 268989), (147, 192135), (245, 115281), (315, 89663), (441, 64045), (735, 38427), (2205, 12809)]