12857661

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4423}}^1$

素因数の和:4465

約数の個数: 24

約数和(自身を含む): 20704320

約数和(自身を除く): 7846659

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 969, 2907, 4423, 13269, 39807, 75191, 84037, 225573, 252111, 676719, 756333, 1428629, 4285887, 12857661]

約数ペア:

[(1, 12857661), (3, 4285887), (9, 1428629), (17, 756333), (19, 676719), (51, 252111), (57, 225573), (153, 84037), (171, 75191), (323, 39807), (969, 13269), (2907, 4423)]