347890389

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{761}}^1\times {\mathrm{1979}}^1$

素因数の和:2761

約数の個数: 32

約数和(自身を含む): 579363840

約数和(自身を除く): 231473451

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 761, 1979, 2283, 5327, 5937, 8371, 13853, 15981, 21769, 25113, 41559, 58597, 65307, 152383, 175791, 457149, 1506019, 4518057, 10542133, 16566209, 31626399, 49698627, 115963463, 347890389]

約数ペア:

[(1, 347890389), (3, 115963463), (7, 49698627), (11, 31626399), (21, 16566209), (33, 10542133), (77, 4518057), (231, 1506019), (761, 457149), (1979, 175791), (2283, 152383), (5327, 65307), (5937, 58597), (8371, 41559), (13853, 25113), (15981, 21769)]