31001319

素因数分解:

$3^3\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:209

約数の個数: 48

約数和(自身を含む): 50839200

約数和(自身を除く): 19837881

約数列:

[1, 3, 9, 17, 27, 29, 51, 87, 137, 153, 261, 289, 411, 459, 493, 783, 867, 1233, 1479, 2329, 2601, 3699, 3973, 4437, 6987, 7803, 8381, 11919, 13311, 20961, 25143, 35757, 39593, 62883, 67541, 75429, 107271, 118779, 202623, 226287, 356337, 607869, 1069011, 1148197, 1823607, 3444591, 10333773, 31001319]

約数ペア:

[(1, 31001319), (3, 10333773), (9, 3444591), (17, 1823607), (27, 1148197), (29, 1069011), (51, 607869), (87, 356337), (137, 226287), (153, 202623), (261, 118779), (289, 107271), (411, 75429), (459, 67541), (493, 62883), (783, 39593), (867, 35757), (1233, 25143), (1479, 20961), (2329, 13311), (2601, 11919), (3699, 8381), (3973, 7803), (4437, 6987)]