2196243

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:575

約数の個数: 24

約数和(自身を含む): 3684096

約数和(自身を除く): 1487853

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 491, 497, 639, 1473, 1491, 3437, 4419, 4473, 10311, 30933, 34861, 104583, 244027, 313749, 732081, 2196243]

約数ペア:

[(1, 2196243), (3, 732081), (7, 313749), (9, 244027), (21, 104583), (63, 34861), (71, 30933), (213, 10311), (491, 4473), (497, 4419), (639, 3437), (1473, 1491)]