27680709

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{4561}}^1$

素因数の和:4605

約数の個数: 24

約数和(自身を含む): 44817088

約数和(自身を除く): 17136379

約数列:

[1, 3, 7, 17, 21, 51, 119, 289, 357, 867, 2023, 4561, 6069, 13683, 31927, 77537, 95781, 232611, 542759, 1318129, 1628277, 3954387, 9226903, 27680709]

約数ペア:

[(1, 27680709), (3, 9226903), (7, 3954387), (17, 1628277), (21, 1318129), (51, 542759), (119, 232611), (289, 95781), (357, 77537), (867, 31927), (2023, 13683), (4561, 6069)]