209413869

素因数分解:

$3^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{50111}}^1$

素因数の和:50320

約数の個数: 16

約数和(自身を含む): 320716800

約数和(自身を除く): 111302931

約数列:

[1, 3, 7, 21, 199, 597, 1393, 4179, 50111, 150333, 350777, 1052331, 9972089, 29916267, 69804623, 209413869]

約数ペア:

[(1, 209413869), (3, 69804623), (7, 29916267), (21, 9972089), (199, 1052331), (597, 350777), (1393, 150333), (4179, 50111)]