219520.0000000

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2203}}^1$

素因数の和:2239

約数の個数: 24

約数和(自身を含む): 10050240

約数和(自身を除く): 3897261

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2203, 2793, 6609, 15421, 41857, 46263, 107947, 125571, 292999, 323841, 878997, 2050993, 6152979]

約数ペア:

[(1, 6152979), (3, 2050993), (7, 878997), (19, 323841), (21, 292999), (49, 125571), (57, 107947), (133, 46263), (147, 41857), (399, 15421), (931, 6609), (2203, 2793)]