261293379

素因数分解:

$3^1\times {\mathrm{83}}^1\times {\mathrm{653}}^1\times {\mathrm{1607}}^1$

素因数の和:2346

約数の個数: 16

約数和(自身を含む): 353348352

約数和(自身を除く): 92054973

約数列:

[1, 3, 83, 249, 653, 1607, 1959, 4821, 54199, 133381, 162597, 400143, 1049371, 3148113, 87097793, 261293379]

約数ペア:

[(1, 261293379), (3, 87097793), (83, 3148113), (249, 1049371), (653, 400143), (1607, 162597), (1959, 133381), (4821, 54199)]