80812845

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43801}}^1$

素因数の和:43853

約数の個数: 24

約数和(自身を含む): 143495352

約数和(自身を除く): 62682507

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 43801, 131403, 219005, 394209, 657015, 1795841, 1971045, 5387523, 8979205, 16162569, 26937615, 80812845]

約数ペア:

[(1, 80812845), (3, 26937615), (5, 16162569), (9, 8979205), (15, 5387523), (41, 1971045), (45, 1795841), (123, 657015), (205, 394209), (369, 219005), (615, 131403), (1845, 43801)]