28604871

素因数分解:

$3^2\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:495

約数の個数: 24

約数和(自身を含む): 42260400

約数和(自身を除く): 13655529

約数列:

[1, 3, 9, 83, 149, 249, 257, 447, 747, 771, 1341, 2313, 12367, 21331, 37101, 38293, 63993, 111303, 114879, 191979, 344637, 3178319, 9534957, 28604871]

約数ペア:

[(1, 28604871), (3, 9534957), (9, 3178319), (83, 344637), (149, 191979), (249, 114879), (257, 111303), (447, 63993), (747, 38293), (771, 37101), (1341, 21331), (2313, 12367)]