257806467

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{5107}}^1$

素因数の和:5263

約数の個数: 24

約数和(自身を含む): 382487040

約数和(自身を除く): 124680573

約数列:

[1, 3, 9, 71, 79, 213, 237, 639, 711, 5107, 5609, 15321, 16827, 45963, 50481, 362597, 403453, 1087791, 1210359, 3263373, 3631077, 28645163, 85935489, 257806467]

約数ペア:

[(1, 257806467), (3, 85935489), (9, 28645163), (71, 3631077), (79, 3263373), (213, 1210359), (237, 1087791), (639, 403453), (711, 362597), (5107, 50481), (5609, 45963), (15321, 16827)]