16280859

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 25989120

約数和(自身を除く): 9708261

約数列:

[1, 3, 7, 21, 31, 89, 93, 217, 267, 281, 623, 651, 843, 1869, 1967, 2759, 5901, 8277, 8711, 19313, 25009, 26133, 57939, 60977, 75027, 175063, 182931, 525189, 775279, 2325837, 5426953, 16280859]

約数ペア:

[(1, 16280859), (3, 5426953), (7, 2325837), (21, 775279), (31, 525189), (89, 182931), (93, 175063), (217, 75027), (267, 60977), (281, 57939), (623, 26133), (651, 25009), (843, 19313), (1869, 8711), (1967, 8277), (2759, 5901)]