989870067

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{2731}}^1$

素因数の和:2880

約数の個数: 48

約数和(自身を含む): 1595662848

約数和(自身を除く): 605792781

約数列:

[1, 3, 9, 17, 23, 51, 69, 103, 153, 207, 309, 391, 927, 1173, 1751, 2369, 2731, 3519, 5253, 7107, 8193, 15759, 21321, 24579, 40273, 46427, 62813, 120819, 139281, 188439, 281293, 362457, 417843, 565317, 843879, 1067821, 2531637, 3203463, 4781981, 6469739, 9610389, 14345943, 19409217, 43037829, 58227651, 109985563, 329956689, 989870067]

約数ペア:

[(1, 989870067), (3, 329956689), (9, 109985563), (17, 58227651), (23, 43037829), (51, 19409217), (69, 14345943), (103, 9610389), (153, 6469739), (207, 4781981), (309, 3203463), (391, 2531637), (927, 1067821), (1173, 843879), (1751, 565317), (2369, 417843), (2731, 362457), (3519, 281293), (5253, 188439), (7107, 139281), (8193, 120819), (15759, 62813), (21321, 46427), (24579, 40273)]