2154087

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2$

素因数の和:77

約数の個数: 48

約数和(自身を含む): 3840480

約数和(自身を除く): 1686393

約数列:

[1, 3, 9, 13, 17, 19, 27, 39, 51, 57, 117, 153, 171, 221, 247, 323, 351, 361, 459, 513, 663, 741, 969, 1083, 1989, 2223, 2907, 3249, 4199, 4693, 5967, 6137, 6669, 8721, 9747, 12597, 14079, 18411, 37791, 42237, 55233, 79781, 113373, 126711, 165699, 239343, 718029, 2154087]

約数ペア:

[(1, 2154087), (3, 718029), (9, 239343), (13, 165699), (17, 126711), (19, 113373), (27, 79781), (39, 55233), (51, 42237), (57, 37791), (117, 18411), (153, 14079), (171, 12597), (221, 9747), (247, 8721), (323, 6669), (351, 6137), (361, 5967), (459, 4693), (513, 4199), (663, 3249), (741, 2907), (969, 2223), (1083, 1989)]