165701907

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{479}}^1$

素因数の和:545

約数の個数: 72

約数和(自身を含む): 306508800

約数和(自身を除く): 140806893

約数列:

[1, 3, 7, 9, 17, 19, 21, 51, 57, 63, 119, 133, 153, 171, 289, 323, 357, 399, 479, 867, 969, 1071, 1197, 1437, 2023, 2261, 2601, 2907, 3353, 4311, 5491, 6069, 6783, 8143, 9101, 10059, 16473, 18207, 20349, 24429, 27303, 30177, 38437, 49419, 57001, 63707, 73287, 81909, 115311, 138431, 154717, 171003, 191121, 345933, 415293, 464151, 513009, 573363, 969017, 1083019, 1245879, 1392453, 2630189, 2907051, 3249057, 7890567, 8721153, 9747171, 18411323, 23671701, 55233969, 165701907]

約数ペア:

[(1, 165701907), (3, 55233969), (7, 23671701), (9, 18411323), (17, 9747171), (19, 8721153), (21, 7890567), (51, 3249057), (57, 2907051), (63, 2630189), (119, 1392453), (133, 1245879), (153, 1083019), (171, 969017), (289, 573363), (323, 513009), (357, 464151), (399, 415293), (479, 345933), (867, 191121), (969, 171003), (1071, 154717), (1197, 138431), (1437, 115311), (2023, 81909), (2261, 73287), (2601, 63707), (2907, 57001), (3353, 49419), (4311, 38437), (5491, 30177), (6069, 27303), (6783, 24429), (8143, 20349), (9101, 18207), (10059, 16473)]