28443807

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6359}}^1$

素因数の和:6443

約数の個数: 24

約数和(自身を含む): 47623680

約数和(自身を除く): 19179873

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 6359, 19077, 44513, 57231, 133539, 400617, 451489, 1354467, 3160423, 4063401, 9481269, 28443807]

約数ペア:

[(1, 28443807), (3, 9481269), (7, 4063401), (9, 3160423), (21, 1354467), (63, 451489), (71, 400617), (213, 133539), (497, 57231), (639, 44513), (1491, 19077), (4473, 6359)]