27665001

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1987}}^1$

素因数の和:2030

約数の個数: 48

約数和(自身を含む): 52101504

約数和(自身を除く): 24436503

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 51, 63, 91, 117, 119, 153, 221, 273, 357, 663, 819, 1071, 1547, 1987, 1989, 4641, 5961, 13909, 13923, 17883, 25831, 33779, 41727, 77493, 101337, 125181, 180817, 232479, 236453, 304011, 439127, 542451, 709359, 1317381, 1627353, 2128077, 3073889, 3952143, 9221667, 27665001]

約数ペア:

[(1, 27665001), (3, 9221667), (7, 3952143), (9, 3073889), (13, 2128077), (17, 1627353), (21, 1317381), (39, 709359), (51, 542451), (63, 439127), (91, 304011), (117, 236453), (119, 232479), (153, 180817), (221, 125181), (273, 101337), (357, 77493), (663, 41727), (819, 33779), (1071, 25831), (1547, 17883), (1987, 13923), (1989, 13909), (4641, 5961)]