71156457

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{1987}}^1$

素因数の和:2189

約数の個数: 24

約数和(自身を含む): 107924544

約数和(自身を除く): 36768087

約数列:

[1, 3, 9, 23, 69, 173, 207, 519, 1557, 1987, 3979, 5961, 11937, 17883, 35811, 45701, 137103, 343751, 411309, 1031253, 3093759, 7906273, 23718819, 71156457]

約数ペア:

[(1, 71156457), (3, 23718819), (9, 7906273), (23, 3093759), (69, 1031253), (173, 411309), (207, 343751), (519, 137103), (1557, 45701), (1987, 35811), (3979, 17883), (5961, 11937)]