26869401

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:140

約数の個数: 80

約数和(自身を含む): 48787200

約数和(自身を除く): 21917799

約数列:

[1, 3, 9, 13, 17, 19, 27, 39, 51, 57, 79, 81, 117, 153, 171, 221, 237, 247, 323, 351, 459, 513, 663, 711, 741, 969, 1027, 1053, 1343, 1377, 1501, 1539, 1989, 2133, 2223, 2907, 3081, 4029, 4199, 4503, 5967, 6399, 6669, 8721, 9243, 12087, 12597, 13509, 17459, 17901, 19513, 20007, 25517, 26163, 27729, 36261, 37791, 40527, 52377, 58539, 76551, 83187, 108783, 113373, 121581, 157131, 175617, 229653, 331721, 340119, 471393, 526851, 688959, 995163, 1414179, 1580553, 2066877, 2985489, 8956467, 26869401]

約数ペア:

[(1, 26869401), (3, 8956467), (9, 2985489), (13, 2066877), (17, 1580553), (19, 1414179), (27, 995163), (39, 688959), (51, 526851), (57, 471393), (79, 340119), (81, 331721), (117, 229653), (153, 175617), (171, 157131), (221, 121581), (237, 113373), (247, 108783), (323, 83187), (351, 76551), (459, 58539), (513, 52377), (663, 40527), (711, 37791), (741, 36261), (969, 27729), (1027, 26163), (1053, 25517), (1343, 20007), (1377, 19513), (1501, 17901), (1539, 17459), (1989, 13509), (2133, 12597), (2223, 12087), (2907, 9243), (3081, 8721), (4029, 6669), (4199, 6399), (4503, 5967)]