1280451267

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{233}}^1\times {\mathrm{5501}}^1$

素因数の和:5780

約数の個数: 32

約数和(自身を含む): 1956951360

約数和(自身を除く): 676500093

約数列:

[1, 3, 9, 27, 37, 111, 233, 333, 699, 999, 2097, 5501, 6291, 8621, 16503, 25863, 49509, 77589, 148527, 203537, 232767, 610611, 1281733, 1831833, 3845199, 5495499, 11535597, 34606791, 47424121, 142272363, 426817089, 1280451267]

約数ペア:

[(1, 1280451267), (3, 426817089), (9, 142272363), (27, 47424121), (37, 34606791), (111, 11535597), (233, 5495499), (333, 3845199), (699, 1831833), (999, 1281733), (2097, 610611), (5501, 232767), (6291, 203537), (8621, 148527), (16503, 77589), (25863, 49509)]