249540057

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{20707}}^1$

素因数の和:20829

約数の個数: 24

約数和(自身を含む): 391961024

約数和(自身を除く): 142420967

約数列:

[1, 3, 9, 13, 39, 103, 117, 309, 927, 1339, 4017, 12051, 20707, 62121, 186363, 269191, 807573, 2132821, 2422719, 6398463, 19195389, 27726673, 83180019, 249540057]

約数ペア:

[(1, 249540057), (3, 83180019), (9, 27726673), (13, 19195389), (39, 6398463), (103, 2422719), (117, 2132821), (309, 807573), (927, 269191), (1339, 186363), (4017, 62121), (12051, 20707)]