205957551

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{3889}}^1$

素因数の和:4158

約数の個数: 16

約数和(自身を含む): 278835200

約数和(自身を除く): 72877649

約数列:

[1, 3, 127, 139, 381, 417, 3889, 11667, 17653, 52959, 493903, 540571, 1481709, 1621713, 68652517, 205957551]

約数ペア:

[(1, 205957551), (3, 68652517), (127, 1621713), (139, 1481709), (381, 540571), (417, 493903), (3889, 52959), (11667, 17653)]