281738709

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{34667}}^1$

素因数の和:34726

約数の個数: 32

約数和(自身を含む): 488125440

約数和(自身を除く): 206386731

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 903, 1161, 2709, 8127, 34667, 104001, 242669, 312003, 728007, 936009, 1490681, 2184021, 4472043, 6552063, 10434767, 13416129, 31304301, 40248387, 93912903, 281738709]

約数ペア:

[(1, 281738709), (3, 93912903), (7, 40248387), (9, 31304301), (21, 13416129), (27, 10434767), (43, 6552063), (63, 4472043), (129, 2184021), (189, 1490681), (301, 936009), (387, 728007), (903, 312003), (1161, 242669), (2709, 104001), (8127, 34667)]