13328049

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1277}}^1$

素因数の和:1365

約数の個数: 24

約数和(自身を含む): 20979648

約数和(自身を除く): 7651599

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 497, 1277, 1491, 3479, 3831, 8939, 10437, 26817, 62573, 90667, 187719, 272001, 634669, 1904007, 4442683, 13328049]

約数ペア:

[(1, 13328049), (3, 4442683), (7, 1904007), (21, 634669), (49, 272001), (71, 187719), (147, 90667), (213, 62573), (497, 26817), (1277, 10437), (1491, 8939), (3479, 3831)]