199643409

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{44633}}^1$

素因数の和:44717

約数の個数: 24

約数和(自身を含む): 334219392

約数和(自身を除く): 134575983

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 44633, 133899, 312431, 401697, 937293, 2811879, 3168943, 9506829, 22182601, 28520487, 66547803, 199643409]

約数ペア:

[(1, 199643409), (3, 66547803), (7, 28520487), (9, 22182601), (21, 9506829), (63, 3168943), (71, 2811879), (213, 937293), (497, 401697), (639, 312431), (1491, 133899), (4473, 44633)]