201869739

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{797}}^1$

素因数の和:921

約数の個数: 40

約数和(自身を含む): 312847920

約数和(自身を除く): 110978181

約数列:

[1, 3, 9, 27, 53, 59, 81, 159, 177, 477, 531, 797, 1431, 1593, 2391, 3127, 4293, 4779, 7173, 9381, 21519, 28143, 42241, 47023, 64557, 84429, 126723, 141069, 253287, 380169, 423207, 1140507, 1269621, 2492219, 3421521, 3808863, 7476657, 22429971, 67289913, 201869739]

約数ペア:

[(1, 201869739), (3, 67289913), (9, 22429971), (27, 7476657), (53, 3808863), (59, 3421521), (81, 2492219), (159, 1269621), (177, 1140507), (477, 423207), (531, 380169), (797, 253287), (1431, 141069), (1593, 126723), (2391, 84429), (3127, 64557), (4293, 47023), (4779, 42241), (7173, 28143), (9381, 21519)]