217512963

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{19381}}^1$

素因数の和:19459

約数の個数: 24

約数和(自身を含む): 332595120

約数和(自身を除く): 115082157

約数列:

[1, 3, 9, 29, 43, 87, 129, 261, 387, 1247, 3741, 11223, 19381, 58143, 174429, 562049, 833383, 1686147, 2500149, 5058441, 7500447, 24168107, 72504321, 217512963]

約数ペア:

[(1, 217512963), (3, 72504321), (9, 24168107), (29, 7500447), (43, 5058441), (87, 2500149), (129, 1686147), (261, 833383), (387, 562049), (1247, 174429), (3741, 58143), (11223, 19381)]