726481689

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{1289}}^1$

素因数の和:1609

約数の個数: 32

約数和(自身を含む): 1054373760

約数和(自身を除く): 327892071

約数列:

[1, 3, 17, 43, 51, 129, 257, 731, 771, 1289, 2193, 3867, 4369, 11051, 13107, 21913, 33153, 55427, 65739, 166281, 187867, 331273, 563601, 942259, 993819, 2826777, 5631641, 14244739, 16894923, 42734217, 242160563, 726481689]

約数ペア:

[(1, 726481689), (3, 242160563), (17, 42734217), (43, 16894923), (51, 14244739), (129, 5631641), (257, 2826777), (731, 993819), (771, 942259), (1289, 563601), (2193, 331273), (3867, 187867), (4369, 166281), (11051, 65739), (13107, 55427), (21913, 33153)]