210849849

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71209}}^1$

素因数の和:71269

約数の個数: 24

約数和(自身を含む): 355480320

約数和(自身を除く): 144630471

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 71209, 213627, 498463, 640881, 1495389, 3346823, 4486167, 10040469, 23427761, 30121407, 70283283, 210849849]

約数ペア:

[(1, 210849849), (3, 70283283), (7, 30121407), (9, 23427761), (21, 10040469), (47, 4486167), (63, 3346823), (141, 1495389), (329, 640881), (423, 498463), (987, 213627), (2961, 71209)]