217129203

素因数分解:

$3^2\times {\mathrm{163}}^1\times {\mathrm{283}}^1\times {\mathrm{523}}^1$

素因数の和:975

約数の個数: 24

約数和(自身を含む): 317275712

約数和(自身を除く): 100146509

約数列:

[1, 3, 9, 163, 283, 489, 523, 849, 1467, 1569, 2547, 4707, 46129, 85249, 138387, 148009, 255747, 415161, 444027, 767241, 1332081, 24125467, 72376401, 217129203]

約数ペア:

[(1, 217129203), (3, 72376401), (9, 24125467), (163, 1332081), (283, 767241), (489, 444027), (523, 415161), (849, 255747), (1467, 148009), (1569, 138387), (2547, 85249), (4707, 46129)]