31367193

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1$

素因数の和:95

約数の個数: 72

約数和(自身を含む): 54876864

約数和(自身を除く): 23509671

約数列:

[1, 3, 11, 13, 17, 23, 33, 39, 51, 69, 121, 143, 187, 221, 253, 289, 299, 363, 391, 429, 561, 663, 759, 867, 897, 1173, 1573, 2057, 2431, 2783, 3179, 3289, 3757, 4301, 4719, 5083, 6171, 6647, 7293, 8349, 9537, 9867, 11271, 12903, 15249, 19941, 26741, 34969, 36179, 41327, 47311, 55913, 73117, 80223, 86411, 104907, 108537, 123981, 141933, 167739, 219351, 259233, 454597, 615043, 804287, 950521, 1363791, 1845129, 2412861, 2851563, 10455731, 31367193]

約数ペア:

[(1, 31367193), (3, 10455731), (11, 2851563), (13, 2412861), (17, 1845129), (23, 1363791), (33, 950521), (39, 804287), (51, 615043), (69, 454597), (121, 259233), (143, 219351), (187, 167739), (221, 141933), (253, 123981), (289, 108537), (299, 104907), (363, 86411), (391, 80223), (429, 73117), (561, 55913), (663, 47311), (759, 41327), (867, 36179), (897, 34969), (1173, 26741), (1573, 19941), (2057, 15249), (2431, 12903), (2783, 11271), (3179, 9867), (3289, 9537), (3757, 8349), (4301, 7293), (4719, 6647), (5083, 6171)]