213948063

素因数分解:

$3^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{6833}}^1$

素因数の和:6924

約数の個数: 36

約数和(自身を含む): 364607568

約数和(自身を除く): 150659505

約数列:

[1, 3, 7, 9, 21, 49, 63, 71, 147, 213, 441, 497, 639, 1491, 3479, 4473, 6833, 10437, 20499, 31311, 47831, 61497, 143493, 334817, 430479, 485143, 1004451, 1455429, 3013353, 3396001, 4366287, 10188003, 23772007, 30564009, 71316021, 213948063]

約数ペア:

[(1, 213948063), (3, 71316021), (7, 30564009), (9, 23772007), (21, 10188003), (49, 4366287), (63, 3396001), (71, 3013353), (147, 1455429), (213, 1004451), (441, 485143), (497, 430479), (639, 334817), (1491, 143493), (3479, 61497), (4473, 47831), (6833, 31311), (10437, 20499)]