25217283

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1301}}^1$

素因数の和:1395

約数の個数: 32

約数和(自身を含む): 41997312

約数和(自身を除く): 16780029

約数列:

[1, 3, 7, 13, 21, 39, 71, 91, 213, 273, 497, 923, 1301, 1491, 2769, 3903, 6461, 9107, 16913, 19383, 27321, 50739, 92371, 118391, 277113, 355173, 646597, 1200823, 1939791, 3602469, 8405761, 25217283]

約数ペア:

[(1, 25217283), (3, 8405761), (7, 3602469), (13, 1939791), (21, 1200823), (39, 646597), (71, 355173), (91, 277113), (213, 118391), (273, 92371), (497, 50739), (923, 27321), (1301, 19383), (1491, 16913), (2769, 9107), (3903, 6461)]