729099

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:247

約数の個数: 24

約数和(自身を含む): 1228032

約数和(自身を除く): 498933

約数列:

[1, 3, 7, 9, 21, 63, 71, 163, 213, 489, 497, 639, 1141, 1467, 1491, 3423, 4473, 10269, 11573, 34719, 81011, 104157, 243033, 729099]

約数ペア:

[(1, 729099), (3, 243033), (7, 104157), (9, 81011), (21, 34719), (63, 11573), (71, 10269), (163, 4473), (213, 3423), (489, 1491), (497, 1467), (639, 1141)]