209219661

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{20627}}^1$

素因数の和:20670

約数の個数: 36

約数和(自身を含む): 366848352

約数和(自身を除く): 157628691

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 441, 483, 1127, 1449, 3381, 10143, 20627, 61881, 144389, 185643, 433167, 474421, 1010723, 1299501, 1423263, 3032169, 3320947, 4269789, 9096507, 9962841, 23246629, 29888523, 69739887, 209219661]

約数ペア:

[(1, 209219661), (3, 69739887), (7, 29888523), (9, 23246629), (21, 9962841), (23, 9096507), (49, 4269789), (63, 3320947), (69, 3032169), (147, 1423263), (161, 1299501), (207, 1010723), (441, 474421), (483, 433167), (1127, 185643), (1449, 144389), (3381, 61881), (10143, 20627)]