2287989291

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{819187}}^1$

素因数の和:819223

約数の個数: 24

約数和(自身を含む): 3735497280

約数和(自身を除く): 1447507989

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 819187, 2457561, 5734309, 15564553, 17202927, 40140163, 46693659, 108951871, 120420489, 326855613, 762663097, 2287989291]

約数ペア:

[(1, 2287989291), (3, 762663097), (7, 326855613), (19, 120420489), (21, 108951871), (49, 46693659), (57, 40140163), (133, 17202927), (147, 15564553), (399, 5734309), (931, 2457561), (2793, 819187)]