289320717

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1\times {\mathrm{739}}^1$

素因数の和:1033

約数の個数: 32

約数和(自身を含む): 448215040

約数和(自身を除く): 158894323

約数列:

[1, 3, 7, 21, 103, 181, 309, 543, 721, 739, 1267, 2163, 2217, 3801, 5173, 15519, 18643, 55929, 76117, 130501, 133759, 228351, 391503, 401277, 532819, 936313, 1598457, 2808939, 13777177, 41331531, 96440239, 289320717]

約数ペア:

[(1, 289320717), (3, 96440239), (7, 41331531), (21, 13777177), (103, 2808939), (181, 1598457), (309, 936313), (543, 532819), (721, 401277), (739, 391503), (1267, 228351), (2163, 133759), (2217, 130501), (3801, 76117), (5173, 55929), (15519, 18643)]