28785492081

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{168336211}}^1$

素因数の和:168336236

約数の個数: 12

約数和(自身を含む): 43767415120

約数和(自身を除く): 14981923039

約数列:

[1, 3, 9, 19, 57, 171, 168336211, 505008633, 1515025899, 3198388009, 9595164027, 28785492081]

約数ペア:

[(1, 28785492081), (3, 9595164027), (9, 3198388009), (19, 1515025899), (57, 505008633), (171, 168336211)]