8978448003

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{3995749}}^1$

素因数の和:3995866

約数の個数: 16

約数和(自身を含む): 13809312000

約数和(自身を除く): 4830863997

約数列:

[1, 3, 7, 21, 107, 321, 749, 2247, 3995749, 11987247, 27970243, 83910729, 427545143, 1282635429, 2992816001, 8978448003]

約数ペア:

[(1, 8978448003), (3, 2992816001), (7, 1282635429), (21, 427545143), (107, 83910729), (321, 27970243), (749, 11987247), (2247, 3995749)]