66990045

素因数分解:

$3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{16981}}^1$

素因数の和:17252

約数の個数: 16

約数和(自身を含む): 107597952

約数和(自身を除く): 40607907

約数列:

[1, 3, 5, 15, 263, 789, 1315, 3945, 16981, 50943, 84905, 254715, 4466003, 13398009, 22330015, 66990045]

約数ペア:

[(1, 66990045), (3, 22330015), (5, 13398009), (15, 4466003), (263, 254715), (789, 84905), (1315, 50943), (3945, 16981)]