208285467

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{2729}}^1$

素因数の和:2867

約数の個数: 32

約数和(自身を含む): 317990400

約数和(自身を除く): 109704933

約数列:

[1, 3, 13, 19, 39, 57, 103, 247, 309, 741, 1339, 1957, 2729, 4017, 5871, 8187, 25441, 35477, 51851, 76323, 106431, 155553, 281087, 674063, 843261, 2022189, 3654131, 5340653, 10962393, 16021959, 69428489, 208285467]

約数ペア:

[(1, 208285467), (3, 69428489), (13, 16021959), (19, 10962393), (39, 5340653), (57, 3654131), (103, 2022189), (247, 843261), (309, 674063), (741, 281087), (1339, 155553), (1957, 106431), (2729, 76323), (4017, 51851), (5871, 35477), (8187, 25441)]