8978991

素因数分解:

$3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1789}}^1$

素因数の和:2038

約数の個数: 16

約数和(自身を含む): 13747200

約数和(自身を除く): 4768209

約数列:

[1, 3, 7, 21, 239, 717, 1673, 1789, 5019, 5367, 12523, 37569, 427571, 1282713, 2992997, 8978991]

約数ペア:

[(1, 8978991), (3, 2992997), (7, 1282713), (21, 427571), (239, 37569), (717, 12523), (1673, 5367), (1789, 5019)]