3977757

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{613}}^1$

素因数の和:729

約数の個数: 24

約数和(自身を含む): 6641024

約数和(自身を除く): 2663267

約数列:

[1, 3, 7, 9, 21, 63, 103, 309, 613, 721, 927, 1839, 2163, 4291, 5517, 6489, 12873, 38619, 63139, 189417, 441973, 568251, 1325919, 3977757]

約数ペア:

[(1, 3977757), (3, 1325919), (7, 568251), (9, 441973), (21, 189417), (63, 63139), (103, 38619), (309, 12873), (613, 6489), (721, 5517), (927, 4291), (1839, 2163)]