1277492181

素因数分解:

$3^1\times 7^3\times {\mathrm{1241489}}^1$

素因数の和:1241513

約数の個数: 16

約数和(自身を含む): 1986384000

約数和(自身を除く): 708891819

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 1241489, 3724467, 8690423, 26071269, 60832961, 182498883, 425830727, 1277492181]

約数ペア:

[(1, 1277492181), (3, 425830727), (7, 182498883), (21, 60832961), (49, 26071269), (147, 8690423), (343, 3724467), (1029, 1241489)]