1993803

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{263}}^1$

素因数の和:311

約数の個数: 24

約数和(自身を含む): 3218688

約数和(自身を除く): 1224885

約数列:

[1, 3, 7, 19, 21, 57, 133, 263, 361, 399, 789, 1083, 1841, 2527, 4997, 5523, 7581, 14991, 34979, 94943, 104937, 284829, 664601, 1993803]

約数ペア:

[(1, 1993803), (3, 664601), (7, 284829), (19, 104937), (21, 94943), (57, 34979), (133, 14991), (263, 7581), (361, 5523), (399, 4997), (789, 2527), (1083, 1841)]