213957909

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{720397}}^1$

素因数の和:720417

約数の個数: 16

約数和(自身を含む): 345791040

約数和(自身を除く): 131833131

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 720397, 2161191, 6483573, 7924367, 19450719, 23773101, 71319303, 213957909]

約数ペア:

[(1, 213957909), (3, 71319303), (9, 23773101), (11, 19450719), (27, 7924367), (33, 6483573), (99, 2161191), (297, 720397)]