208078335

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53149}}^1$

素因数の和:53192

約数の個数: 32

約数和(自身を含む): 382680000

約数和(自身を除く): 174601665

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 53149, 159447, 265745, 478341, 797235, 1435023, 1541321, 2391705, 4623963, 7175115, 7706605, 13871889, 23119815, 41615667, 69359445, 208078335]

約数ペア:

[(1, 208078335), (3, 69359445), (5, 41615667), (9, 23119815), (15, 13871889), (27, 7706605), (29, 7175115), (45, 4623963), (87, 2391705), (135, 1541321), (145, 1435023), (261, 797235), (435, 478341), (783, 265745), (1305, 159447), (3915, 53149)]