17555739

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:227

約数の個数: 32

約数和(自身を含む): 25665024

約数和(自身を除く): 8109285

約数列:

[1, 3, 23, 43, 61, 69, 97, 129, 183, 291, 989, 1403, 2231, 2623, 2967, 4171, 4209, 5917, 6693, 7869, 12513, 17751, 60329, 95933, 136091, 180987, 254431, 287799, 408273, 763293, 5851913, 17555739]

約数ペア:

[(1, 17555739), (3, 5851913), (23, 763293), (43, 408273), (61, 287799), (69, 254431), (97, 180987), (129, 136091), (183, 95933), (291, 60329), (989, 17751), (1403, 12513), (2231, 7869), (2623, 6693), (2967, 5917), (4171, 4209)]