204967161

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{87931}}^1$

素因数の和:87981

約数の個数: 24

約数和(自身を含む): 347507264

約数和(自身を除く): 142540103

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 87931, 263793, 615517, 791379, 1846551, 3253447, 5539653, 9760341, 22774129, 29281023, 68322387, 204967161]

約数ペア:

[(1, 204967161), (3, 68322387), (7, 29281023), (9, 22774129), (21, 9760341), (37, 5539653), (63, 3253447), (111, 1846551), (259, 791379), (333, 615517), (777, 263793), (2331, 87931)]