209947818

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{1521361}}^1$

素因数の和:1521389

約数の個数: 16

約数和(自身を含む): 438152256

約数和(自身を除く): 228204438

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 1521361, 3042722, 4564083, 9128166, 34991303, 69982606, 104973909, 209947818]

約数ペア:

[(1, 209947818), (2, 104973909), (3, 69982606), (6, 34991303), (23, 9128166), (46, 4564083), (69, 3042722), (138, 1521361)]