387538641

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{43627}}^1$

素因数の和:43690

約数の個数: 32

約数和(自身を含む): 670126080

約数和(自身を除く): 282587439

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 329, 423, 987, 1269, 2961, 8883, 43627, 130881, 305389, 392643, 916167, 1177929, 2050469, 2748501, 6151407, 8245503, 14353283, 18454221, 43059849, 55362663, 129179547, 387538641]

約数ペア:

[(1, 387538641), (3, 129179547), (7, 55362663), (9, 43059849), (21, 18454221), (27, 14353283), (47, 8245503), (63, 6151407), (141, 2748501), (189, 2050469), (329, 1177929), (423, 916167), (987, 392643), (1269, 305389), (2961, 130881), (8883, 43627)]