16918803

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 28304640

約数和(自身を除く): 11385837

約数列:

[1, 3, 9, 11, 29, 33, 71, 83, 87, 99, 213, 249, 261, 319, 639, 747, 781, 913, 957, 2059, 2343, 2407, 2739, 2871, 5893, 6177, 7029, 7221, 8217, 17679, 18531, 21663, 22649, 26477, 53037, 64823, 67947, 79431, 170897, 194469, 203841, 238293, 512691, 583407, 1538073, 1879867, 5639601, 16918803]

約数ペア:

[(1, 16918803), (3, 5639601), (9, 1879867), (11, 1538073), (29, 583407), (33, 512691), (71, 238293), (83, 203841), (87, 194469), (99, 170897), (213, 79431), (249, 67947), (261, 64823), (319, 53037), (639, 26477), (747, 22649), (781, 21663), (913, 18531), (957, 17679), (2059, 8217), (2343, 7221), (2407, 7029), (2739, 6177), (2871, 5893)]