202808109

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{72613}}^1$

素因数の和:72649

約数の個数: 24

約数和(自身を含む): 331119840

約数和(自身を除く): 128311731

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 72613, 217839, 508291, 1379647, 1524873, 3558037, 4138941, 9657529, 10674111, 28972587, 67602703, 202808109]

約数ペア:

[(1, 202808109), (3, 67602703), (7, 28972587), (19, 10674111), (21, 9657529), (49, 4138941), (57, 3558037), (133, 1524873), (147, 1379647), (399, 508291), (931, 217839), (2793, 72613)]