31207473

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{28657}}^1$

素因数の和:28685

約数の個数: 18

約数和(自身を含む): 49549682

約数和(自身を除く): 18342209

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 28657, 85971, 257913, 315227, 945681, 2837043, 3467497, 10402491, 31207473]

約数ペア:

[(1, 31207473), (3, 10402491), (9, 3467497), (11, 2837043), (33, 945681), (99, 315227), (121, 257913), (363, 85971), (1089, 28657)]