28380231

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{3221}}^1$

素因数の和:3327

約数の個数: 24

約数和(自身を含む): 45236880

約数和(自身を除く): 16856649

約数列:

[1, 3, 9, 11, 33, 89, 99, 267, 801, 979, 2937, 3221, 8811, 9663, 28989, 35431, 106293, 286669, 318879, 860007, 2580021, 3153359, 9460077, 28380231]

約数ペア:

[(1, 28380231), (3, 9460077), (9, 3153359), (11, 2580021), (33, 860007), (89, 318879), (99, 286669), (267, 106293), (801, 35431), (979, 28989), (2937, 9663), (3221, 8811)]