2778633

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1$

素因数の和:174

約数の個数: 48

約数和(自身を含む): 5031936

約数和(自身を除く): 2253303

約数列:

[1, 3, 9, 11, 13, 17, 33, 39, 51, 99, 117, 127, 143, 153, 187, 221, 381, 429, 561, 663, 1143, 1287, 1397, 1651, 1683, 1989, 2159, 2431, 4191, 4953, 6477, 7293, 12573, 14859, 18161, 19431, 21879, 23749, 28067, 54483, 71247, 84201, 163449, 213741, 252603, 308737, 926211, 2778633]

約数ペア:

[(1, 2778633), (3, 926211), (9, 308737), (11, 252603), (13, 213741), (17, 163449), (33, 84201), (39, 71247), (51, 54483), (99, 28067), (117, 23749), (127, 21879), (143, 19431), (153, 18161), (187, 14859), (221, 12573), (381, 7293), (429, 6477), (561, 4953), (663, 4191), (1143, 2431), (1287, 2159), (1397, 1989), (1651, 1683)]