639969009

素因数分解:

$3^1\times {\mathrm{3203}}^1\times {\mathrm{66601}}^1$

素因数の和:69807

約数の個数: 8

約数和(自身を含む): 853571232

約数和(自身を除く): 213602223

約数列:

[1, 3, 3203, 9609, 66601, 199803, 213323003, 639969009]

約数ペア:

[(1, 639969009), (3, 213323003), (3203, 199803), (9609, 66601)]