51987663

素因数分解:

$3^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2351}}^1$

素因数の和:2386

約数の個数: 48

約数和(自身を含む): 95886336

約数和(自身を除く): 43898673

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 243, 273, 351, 567, 819, 1053, 1701, 2351, 2457, 3159, 7053, 7371, 16457, 21159, 22113, 30563, 49371, 63477, 91689, 148113, 190431, 213941, 275067, 444339, 571293, 641823, 825201, 1333017, 1925469, 2475603, 3999051, 5776407, 7426809, 17329221, 51987663]

約数ペア:

[(1, 51987663), (3, 17329221), (7, 7426809), (9, 5776407), (13, 3999051), (21, 2475603), (27, 1925469), (39, 1333017), (63, 825201), (81, 641823), (91, 571293), (117, 444339), (189, 275067), (243, 213941), (273, 190431), (351, 148113), (567, 91689), (819, 63477), (1053, 49371), (1701, 30563), (2351, 22113), (2457, 21159), (3159, 16457), (7053, 7371)]