1408309119

素因数分解:

$3^3\times 7^1\times {\mathrm{1109}}^1\times {\mathrm{6719}}^1$

素因数の和:7844

約数の個数: 32

約数和(自身を含む): 2386944000

約数和(自身を除く): 978634881

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1109, 3327, 6719, 7763, 9981, 20157, 23289, 29943, 47033, 60471, 69867, 141099, 181413, 209601, 423297, 1269891, 7451371, 22354113, 52159597, 67062339, 156478791, 201187017, 469436373, 1408309119]

約数ペア:

[(1, 1408309119), (3, 469436373), (7, 201187017), (9, 156478791), (21, 67062339), (27, 52159597), (63, 22354113), (189, 7451371), (1109, 1269891), (3327, 423297), (6719, 209601), (7763, 181413), (9981, 141099), (20157, 69867), (23289, 60471), (29943, 47033)]