639012921

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{273433}}^1$

素因数の和:273496

約数の個数: 16

約数和(自身を含む): 918738240

約数和(自身を除く): 279725319

約数列:

[1, 3, 19, 41, 57, 123, 779, 2337, 273433, 820299, 5195227, 11210753, 15585681, 33632259, 213004307, 639012921]

約数ペア:

[(1, 639012921), (3, 213004307), (19, 33632259), (41, 15585681), (57, 11210753), (123, 5195227), (779, 820299), (2337, 273433)]