2105649

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{857}}^1$

素因数の和:886

約数の個数: 32

約数和(自身を含む): 3843840

約数和(自身を除く): 1738191

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 857, 2457, 2571, 5999, 7713, 11141, 17997, 23139, 33423, 53991, 77987, 100269, 161973, 233961, 300807, 701883, 2105649]

約数ペア:

[(1, 2105649), (3, 701883), (7, 300807), (9, 233961), (13, 161973), (21, 100269), (27, 77987), (39, 53991), (63, 33423), (91, 23139), (117, 17997), (189, 11141), (273, 7713), (351, 5999), (819, 2571), (857, 2457)]