67645921

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{311}}^1$

素因数の和:541

約数の個数: 24

約数和(自身を含む): 82802304

約数和(自身を除く): 15156383

約数列:

[1, 7, 23, 49, 161, 193, 311, 1127, 1351, 2177, 4439, 7153, 9457, 15239, 31073, 50071, 60023, 217511, 350497, 420161, 1380529, 2941127, 9663703, 67645921]

約数ペア:

[(1, 67645921), (7, 9663703), (23, 2941127), (49, 1380529), (161, 420161), (193, 350497), (311, 217511), (1127, 60023), (1351, 50071), (2177, 31073), (4439, 15239), (7153, 9457)]