201620265

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{769}}^1$

素因数の和:1022

約数の個数: 64

約数和(自身を含む): 404490240

約数和(自身を除く): 202869975

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 227, 231, 385, 681, 769, 1135, 1155, 1589, 2307, 2497, 3405, 3845, 4767, 5383, 7491, 7945, 8459, 11535, 12485, 16149, 17479, 23835, 25377, 26915, 37455, 42295, 52437, 59213, 80745, 87395, 126885, 174563, 177639, 262185, 296065, 523689, 872815, 888195, 1221941, 1920193, 2618445, 3665823, 5760579, 6109705, 9600965, 13441351, 18329115, 28802895, 40324053, 67206755, 201620265]

約数ペア:

[(1, 201620265), (3, 67206755), (5, 40324053), (7, 28802895), (11, 18329115), (15, 13441351), (21, 9600965), (33, 6109705), (35, 5760579), (55, 3665823), (77, 2618445), (105, 1920193), (165, 1221941), (227, 888195), (231, 872815), (385, 523689), (681, 296065), (769, 262185), (1135, 177639), (1155, 174563), (1589, 126885), (2307, 87395), (2497, 80745), (3405, 59213), (3845, 52437), (4767, 42295), (5383, 37455), (7491, 26915), (7945, 25377), (8459, 23835), (11535, 17479), (12485, 16149)]