13521207

素因数分解:

$3^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{1559}}^1$

素因数の和:1635

約数の個数: 24

約数和(自身を含む): 21340800

約数和(自身を除く): 7819593

約数列:

[1, 3, 7, 21, 49, 59, 147, 177, 413, 1239, 1559, 2891, 4677, 8673, 10913, 32739, 76391, 91981, 229173, 275943, 643867, 1931601, 4507069, 13521207]

約数ペア:

[(1, 13521207), (3, 4507069), (7, 1931601), (21, 643867), (49, 275943), (59, 229173), (147, 91981), (177, 76391), (413, 32739), (1239, 10913), (1559, 8673), (2891, 4677)]