2887857

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1993}}^1$

素因数の和:2029

約数の個数: 24

約数和(自身を含む): 4977024

約数和(自身を除く): 2089167

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 1993, 5979, 13951, 17937, 41853, 45839, 125559, 137517, 320873, 412551, 962619, 2887857]

約数ペア:

[(1, 2887857), (3, 962619), (7, 412551), (9, 320873), (21, 137517), (23, 125559), (63, 45839), (69, 41853), (161, 17937), (207, 13951), (483, 5979), (1449, 1993)]