71864163

素因数分解:

$3^2\times 7^1\times {\mathrm{409}}^1\times {\mathrm{2789}}^1$

素因数の和:3211

約数の個数: 24

約数和(自身を含む): 118965600

約数和(自身を除く): 47101437

約数列:

[1, 3, 7, 9, 21, 63, 409, 1227, 2789, 2863, 3681, 8367, 8589, 19523, 25101, 25767, 58569, 175707, 1140701, 3422103, 7984907, 10266309, 23954721, 71864163]

約数ペア:

[(1, 71864163), (3, 23954721), (7, 10266309), (9, 7984907), (21, 3422103), (63, 1140701), (409, 175707), (1227, 58569), (2789, 25767), (2863, 25101), (3681, 19523), (8367, 8589)]