281058399

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{25873}}^1$

素因数の和:25967

約数の個数: 24

約数和(自身を含む): 435925152

約数和(自身を除く): 154866753

約数列:

[1, 3, 9, 17, 51, 71, 153, 213, 639, 1207, 3621, 10863, 25873, 77619, 232857, 439841, 1319523, 1836983, 3958569, 5510949, 16532847, 31228711, 93686133, 281058399]

約数ペア:

[(1, 281058399), (3, 93686133), (9, 31228711), (17, 16532847), (51, 5510949), (71, 3958569), (153, 1836983), (213, 1319523), (639, 439841), (1207, 232857), (3621, 77619), (10863, 25873)]