28818783

素因数分解:

$3^2\times 7^1\times {\mathrm{619}}^1\times {\mathrm{739}}^1$

素因数の和:1371

約数の個数: 24

約数和(自身を含む): 47715200

約数和(自身を除く): 18896417

約数列:

[1, 3, 7, 9, 21, 63, 619, 739, 1857, 2217, 4333, 5173, 5571, 6651, 12999, 15519, 38997, 46557, 457441, 1372323, 3202087, 4116969, 9606261, 28818783]

約数ペア:

[(1, 28818783), (3, 9606261), (7, 4116969), (9, 3202087), (21, 1372323), (63, 457441), (619, 46557), (739, 38997), (1857, 15519), (2217, 12999), (4333, 6651), (5173, 5571)]