219038661

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{24809}}^1$

素因数の和:24930

約数の個数: 20

約数和(自身を含む): 330221100

約数和(自身を除く): 111182439

約数列:

[1, 3, 9, 27, 81, 109, 327, 981, 2943, 8829, 24809, 74427, 223281, 669843, 2009529, 2704181, 8112543, 24337629, 73012887, 219038661]

約数ペア:

[(1, 219038661), (3, 73012887), (9, 24337629), (27, 8112543), (81, 2704181), (109, 2009529), (327, 669843), (981, 223281), (2943, 74427), (8829, 24809)]