978171399

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{20873}}^1$

素因数の和:21047

約数の個数: 24

約数和(自身を含む): 1458842112

約数和(自身を除く): 480670713

約数列:

[1, 3, 9, 41, 123, 127, 369, 381, 1143, 5207, 15621, 20873, 46863, 62619, 187857, 855793, 2567379, 2650871, 7702137, 7952613, 23857839, 108685711, 326057133, 978171399]

約数ペア:

[(1, 978171399), (3, 326057133), (9, 108685711), (41, 23857839), (123, 7952613), (127, 7702137), (369, 2650871), (381, 2567379), (1143, 855793), (5207, 187857), (15621, 62619), (20873, 46863)]