287942346

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{225307}}^1$

素因数の和:225386

約数の個数: 24

約数和(自身を含む): 632664864

約数和(自身を除く): 344722518

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 225307, 450614, 675921, 1351842, 2027763, 4055526, 15996797, 31993594, 47990391, 95980782, 143971173, 287942346]

約数ペア:

[(1, 287942346), (2, 143971173), (3, 95980782), (6, 47990391), (9, 31993594), (18, 15996797), (71, 4055526), (142, 2027763), (213, 1351842), (426, 675921), (639, 450614), (1278, 225307)]