26890437

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{307}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 42499072

約数和(自身を除く): 15608635

約数列:

[1, 3, 7, 21, 43, 97, 129, 291, 301, 307, 679, 903, 921, 2037, 2149, 4171, 6447, 12513, 13201, 29197, 29779, 39603, 87591, 89337, 92407, 208453, 277221, 625359, 1280497, 3841491, 8963479, 26890437]

約数ペア:

[(1, 26890437), (3, 8963479), (7, 3841491), (21, 1280497), (43, 625359), (97, 277221), (129, 208453), (291, 92407), (301, 89337), (307, 87591), (679, 39603), (903, 29779), (921, 29197), (2037, 13201), (2149, 12513), (4171, 6447)]