13221009

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{9239}}^1$

素因数の和:9301

約数の個数: 16

約数和(自身を含む): 19958400

約数和(自身を除く): 6737391

約数列:

[1, 3, 9, 27, 53, 159, 477, 1431, 9239, 27717, 83151, 249453, 489667, 1469001, 4407003, 13221009]

約数ペア:

[(1, 13221009), (3, 4407003), (9, 1469001), (27, 489667), (53, 249453), (159, 83151), (477, 27717), (1431, 9239)]