28725147

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{1129}}^1$

素因数の和:1403

約数の個数: 24

約数和(自身を含む): 45480240

約数和(自身を除く): 16755093

約数列:

[1, 3, 9, 11, 33, 99, 257, 771, 1129, 2313, 2827, 3387, 8481, 10161, 12419, 25443, 37257, 111771, 290153, 870459, 2611377, 3191683, 9575049, 28725147]

約数ペア:

[(1, 28725147), (3, 9575049), (9, 3191683), (11, 2611377), (33, 870459), (99, 290153), (257, 111771), (771, 37257), (1129, 25443), (2313, 12419), (2827, 10161), (3387, 8481)]