3287781

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2269}}^1$

素因数の和:2305

約数の個数: 24

約数和(自身を含む): 5665920

約数和(自身を除く): 2378139

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 2269, 6807, 15883, 20421, 47649, 52187, 142947, 156561, 365309, 469683, 1095927, 3287781]

約数ペア:

[(1, 3287781), (3, 1095927), (7, 469683), (9, 365309), (21, 156561), (23, 142947), (63, 52187), (69, 47649), (161, 20421), (207, 15883), (483, 6807), (1449, 2269)]