213103743

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1\times {\mathrm{5381}}^1$

素因数の和:5734

約数の個数: 16

約数和(自身を含む): 291747456

約数和(自身を除く): 78643713

約数列:

[1, 3, 43, 129, 307, 921, 5381, 13201, 16143, 39603, 231383, 694149, 1651967, 4955901, 71034581, 213103743]

約数ペア:

[(1, 213103743), (3, 71034581), (43, 4955901), (129, 1651967), (307, 694149), (921, 231383), (5381, 39603), (13201, 16143)]