81451821

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{27733}}^1$

素因数の和:27836

約数の個数: 16

約数和(自身を含む): 119810880

約数和(自身を除く): 38359059

約数列:

[1, 3, 11, 33, 89, 267, 979, 2937, 27733, 83199, 305063, 915189, 2468237, 7404711, 27150607, 81451821]

約数ペア:

[(1, 81451821), (3, 27150607), (11, 7404711), (33, 2468237), (89, 915189), (267, 305063), (979, 83199), (2937, 27733)]