2081566221

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2108983}}^1$

素因数の和:2109040

約数の個数: 16

約数和(自身を含む): 3239399424

約数和(自身を除く): 1157833203

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 2108983, 6326949, 14762881, 44288643, 99122201, 297366603, 693855407, 2081566221]

約数ペア:

[(1, 2081566221), (3, 693855407), (7, 297366603), (21, 99122201), (47, 44288643), (141, 14762881), (329, 6326949), (987, 2108983)]