2784243

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{709}}^1$

素因数の和:747

約数の個数: 32

約数和(自身を含む): 4907520

約数和(自身を除く): 2123277

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 357, 561, 709, 1309, 2127, 3927, 4963, 7799, 12053, 14889, 23397, 36159, 54593, 84371, 132583, 163779, 253113, 397749, 928081, 2784243]

約数ペア:

[(1, 2784243), (3, 928081), (7, 397749), (11, 253113), (17, 163779), (21, 132583), (33, 84371), (51, 54593), (77, 36159), (119, 23397), (187, 14889), (231, 12053), (357, 7799), (561, 4963), (709, 3927), (1309, 2127)]