209874189

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{344621}}^1$

素因数の和:344660

約数の個数: 16

約数和(自身を含む): 330837120

約数和(自身を除く): 120962931

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 344621, 1033863, 2412347, 7237041, 9994009, 29982027, 69958063, 209874189]

約数ペア:

[(1, 209874189), (3, 69958063), (7, 29982027), (21, 9994009), (29, 7237041), (87, 2412347), (203, 1033863), (609, 344621)]