71316021

素因数分解:

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

素因数の和:6921

約数の個数: 24

約数和(自身を含む): 112186944

約数和(自身を除く): 40870923

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 497, 1491, 3479, 6833, 10437, 20499, 47831, 143493, 334817, 485143, 1004451, 1455429, 3396001, 10188003, 23772007, 71316021]

約数ペア:

[(1, 71316021), (3, 23772007), (7, 10188003), (21, 3396001), (49, 1455429), (71, 1004451), (147, 485143), (213, 334817), (497, 143493), (1491, 47831), (3479, 20499), (6833, 10437)]