28252533

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 40919040

約数和(自身を除く): 12666507

約数列:

[1, 3, 23, 69, 71, 73, 79, 213, 219, 237, 1633, 1679, 1817, 4899, 5037, 5183, 5451, 5609, 5767, 15549, 16827, 17301, 119209, 129007, 132641, 357627, 387021, 397923, 409457, 1228371, 9417511, 28252533]

約数ペア:

[(1, 28252533), (3, 9417511), (23, 1228371), (69, 409457), (71, 397923), (73, 387021), (79, 357627), (213, 132641), (219, 129007), (237, 119209), (1633, 17301), (1679, 16827), (1817, 15549), (4899, 5767), (5037, 5609), (5183, 5451)]