721032213

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{4001}}^1$

素因数の和:4185

約数の個数: 32

約数和(自身を含む): 1081884672

約数和(自身を除く): 360852459

約数列:

[1, 3, 11, 33, 43, 127, 129, 381, 473, 1397, 1419, 4001, 4191, 5461, 12003, 16383, 44011, 60071, 132033, 172043, 180213, 508127, 516129, 1524381, 1892473, 5589397, 5677419, 16768191, 21849461, 65548383, 240344071, 721032213]

約数ペア:

[(1, 721032213), (3, 240344071), (11, 65548383), (33, 21849461), (43, 16768191), (127, 5677419), (129, 5589397), (381, 1892473), (473, 1524381), (1397, 516129), (1419, 508127), (4001, 180213), (4191, 172043), (5461, 132033), (12003, 60071), (16383, 44011)]