1684809021

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^2\times {\mathrm{769}}^1$

素因数の和:851

約数の個数: 72

約数和(自身を含む): 2882066880

約数和(自身を除く): 1197257859

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 289, 323, 357, 361, 399, 769, 867, 969, 1083, 2023, 2261, 2307, 2527, 5383, 5491, 6069, 6137, 6783, 7581, 13073, 14611, 16149, 16473, 18411, 38437, 39219, 42959, 43833, 91511, 102277, 104329, 115311, 128877, 222241, 248387, 274533, 277609, 306831, 312987, 666723, 730303, 745161, 832827, 1555687, 1738709, 1943263, 2190909, 4222579, 4667061, 4719353, 5216127, 5829789, 12667737, 14158059, 29558053, 33035471, 80229001, 88674159, 99106413, 240687003, 561603007, 1684809021]

約数ペア:

[(1, 1684809021), (3, 561603007), (7, 240687003), (17, 99106413), (19, 88674159), (21, 80229001), (51, 33035471), (57, 29558053), (119, 14158059), (133, 12667737), (289, 5829789), (323, 5216127), (357, 4719353), (361, 4667061), (399, 4222579), (769, 2190909), (867, 1943263), (969, 1738709), (1083, 1555687), (2023, 832827), (2261, 745161), (2307, 730303), (2527, 666723), (5383, 312987), (5491, 306831), (6069, 277609), (6137, 274533), (6783, 248387), (7581, 222241), (13073, 128877), (14611, 115311), (16149, 104329), (16473, 102277), (18411, 91511), (38437, 43833), (39219, 42959)]