621009009

素因数分解:

$3^2\times {\mathrm{181}}^1\times {\mathrm{381221}}^1$

素因数の和:381408

約数の個数: 12

約数和(自身を含む): 901971252

約数和(自身を除く): 280962243

約数列:

[1, 3, 9, 181, 543, 1629, 381221, 1143663, 3430989, 69001001, 207003003, 621009009]

約数ペア:

[(1, 621009009), (3, 207003003), (9, 69001001), (181, 3430989), (543, 1143663), (1629, 381221)]