28419951

素因数分解:

$3^1\times 7^3\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:484

約数の個数: 32

約数和(自身を含む): 44928000

約数和(自身を除く): 16508049

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 343, 389, 497, 1029, 1167, 1491, 2723, 3479, 8169, 10437, 19061, 24353, 27619, 57183, 73059, 82857, 133427, 193333, 400281, 579999, 1353331, 4059993, 9473317, 28419951]

約数ペア:

[(1, 28419951), (3, 9473317), (7, 4059993), (21, 1353331), (49, 579999), (71, 400281), (147, 193333), (213, 133427), (343, 82857), (389, 73059), (497, 57183), (1029, 27619), (1167, 24353), (1491, 19061), (2723, 10437), (3479, 8169)]