2893653

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1997}}^1$

素因数の和:2033

約数の個数: 24

約数和(自身を含む): 4987008

約数和(自身を除く): 2093355

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 1997, 5991, 13979, 17973, 41937, 45931, 125811, 137793, 321517, 413379, 964551, 2893653]

約数ペア:

[(1, 2893653), (3, 964551), (7, 413379), (9, 321517), (21, 137793), (23, 125811), (63, 45931), (69, 41937), (161, 17973), (207, 13979), (483, 5991), (1449, 1997)]