290433297

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{66173}}^1$

素因数の和:66213

約数の個数: 32

約数和(自身を含む): 508216320

約数和(自身を除く): 217783023

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 399, 627, 1463, 4389, 66173, 198519, 463211, 727903, 1257287, 1389633, 2183709, 3771861, 5095321, 8801009, 13830157, 15285963, 26403027, 41490471, 96811099, 290433297]

約数ペア:

[(1, 290433297), (3, 96811099), (7, 41490471), (11, 26403027), (19, 15285963), (21, 13830157), (33, 8801009), (57, 5095321), (77, 3771861), (133, 2183709), (209, 1389633), (231, 1257287), (399, 727903), (627, 463211), (1463, 198519), (4389, 66173)]