28100373

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{10061}}^1$

素因数の和:10097

約数の個数: 24

約数和(自身を含む): 45882720

約数和(自身を除く): 17782347

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 10061, 30183, 70427, 191159, 211281, 492989, 573477, 1338113, 1478967, 4014339, 9366791, 28100373]

約数ペア:

[(1, 28100373), (3, 9366791), (7, 4014339), (19, 1478967), (21, 1338113), (49, 573477), (57, 492989), (133, 211281), (147, 191159), (399, 70427), (931, 30183), (2793, 10061)]