13380003

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2$

素因数の和:105

約数の個数: 72

約数和(自身を含む): 26024544

約数和(自身を除く): 12644541

約数列:

[1, 3, 7, 9, 13, 17, 21, 31, 39, 51, 63, 91, 93, 117, 119, 153, 217, 221, 273, 279, 357, 403, 527, 651, 663, 819, 961, 1071, 1209, 1547, 1581, 1953, 1989, 2821, 2883, 3627, 3689, 4641, 4743, 6727, 6851, 8463, 8649, 11067, 12493, 13923, 16337, 20181, 20553, 25389, 33201, 37479, 47957, 49011, 60543, 61659, 87451, 112437, 114359, 143871, 147033, 212381, 262353, 343077, 431613, 637143, 787059, 1029231, 1486667, 1911429, 4460001, 13380003]

約数ペア:

[(1, 13380003), (3, 4460001), (7, 1911429), (9, 1486667), (13, 1029231), (17, 787059), (21, 637143), (31, 431613), (39, 343077), (51, 262353), (63, 212381), (91, 147033), (93, 143871), (117, 114359), (119, 112437), (153, 87451), (217, 61659), (221, 60543), (273, 49011), (279, 47957), (357, 37479), (403, 33201), (527, 25389), (651, 20553), (663, 20181), (819, 16337), (961, 13923), (1071, 12493), (1209, 11067), (1547, 8649), (1581, 8463), (1953, 6851), (1989, 6727), (2821, 4743), (2883, 4641), (3627, 3689)]