209903994

素因数分解:

$2^1\times 3^3\times {\mathrm{3887111}}^1$

素因数の和:3887122

約数の個数: 16

約数和(自身を含む): 466453440

約数和(自身を除く): 256549446

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 3887111, 7774222, 11661333, 23322666, 34983999, 69967998, 104951997, 209903994]

約数ペア:

[(1, 209903994), (2, 104951997), (3, 69967998), (6, 34983999), (9, 23322666), (18, 11661333), (27, 7774222), (54, 3887111)]