85190781

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1301}}^1$

素因数の和:1413

約数の個数: 32

約数和(自身を含む): 129491712

約数和(自身を除く): 44300931

約数列:

[1, 3, 13, 23, 39, 69, 73, 219, 299, 897, 949, 1301, 1679, 2847, 3903, 5037, 16913, 21827, 29923, 50739, 65481, 89769, 94973, 284919, 388999, 1166997, 1234649, 2184379, 3703947, 6553137, 28396927, 85190781]

約数ペア:

[(1, 85190781), (3, 28396927), (13, 6553137), (23, 3703947), (39, 2184379), (69, 1234649), (73, 1166997), (219, 388999), (299, 284919), (897, 94973), (949, 89769), (1301, 65481), (1679, 50739), (2847, 29923), (3903, 21827), (5037, 16913)]