210908853

素因数分解:

$3^4\times {\mathrm{877}}^1\times {\mathrm{2969}}^1$

素因数の和:3858

約数の個数: 20

約数和(自身を含む): 315526860

約数和(自身を除く): 104618007

約数列:

[1, 3, 9, 27, 81, 877, 2631, 2969, 7893, 8907, 23679, 26721, 71037, 80163, 240489, 2603813, 7811439, 23434317, 70302951, 210908853]

約数ペア:

[(1, 210908853), (3, 70302951), (9, 23434317), (27, 7811439), (81, 2603813), (877, 240489), (2631, 80163), (2969, 71037), (7893, 26721), (8907, 23679)]