13521221

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1549}}^1$

素因数の和:1628

約数の個数: 16

約数和(自身を含む): 16368000

約数和(自身を除く): 2846779

約数列:

[1, 7, 29, 43, 203, 301, 1247, 1549, 8729, 10843, 44921, 66607, 314447, 466249, 1931603, 13521221]

約数ペア:

[(1, 13521221), (7, 1931603), (29, 466249), (43, 314447), (203, 66607), (301, 44921), (1247, 10843), (1549, 8729)]