1405967517

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{313}}^1$

素因数の和:491

約数の個数: 64

約数和(自身を含む): 2208349440

約数和(自身を除く): 802381923

約数列:

[1, 3, 9, 27, 43, 53, 73, 129, 159, 219, 313, 387, 477, 657, 939, 1161, 1431, 1971, 2279, 2817, 3139, 3869, 6837, 8451, 9417, 11607, 13459, 16589, 20511, 22849, 28251, 34821, 40377, 49767, 61533, 68547, 84753, 104463, 121131, 149301, 166367, 205641, 363393, 447903, 499101, 616923, 713327, 982507, 1210997, 1497303, 2139981, 2947521, 3632991, 4491909, 6419943, 8842563, 10898973, 19259829, 26527689, 32696919, 52072871, 156218613, 468655839, 1405967517]

約数ペア:

[(1, 1405967517), (3, 468655839), (9, 156218613), (27, 52072871), (43, 32696919), (53, 26527689), (73, 19259829), (129, 10898973), (159, 8842563), (219, 6419943), (313, 4491909), (387, 3632991), (477, 2947521), (657, 2139981), (939, 1497303), (1161, 1210997), (1431, 982507), (1971, 713327), (2279, 616923), (2817, 499101), (3139, 447903), (3869, 363393), (6837, 205641), (8451, 166367), (9417, 149301), (11607, 121131), (13459, 104463), (16589, 84753), (20511, 68547), (22849, 61533), (28251, 49767), (34821, 40377)]