27720861

素因数分解:

$3^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{4871}}^1$

素因数の和:5152

約数の個数: 16

約数和(自身を含む): 42405888

約数和(自身を除く): 14685027

約数列:

[1, 3, 7, 21, 271, 813, 1897, 4871, 5691, 14613, 34097, 102291, 1320041, 3960123, 9240287, 27720861]

約数ペア:

[(1, 27720861), (3, 9240287), (7, 3960123), (21, 1320041), (271, 102291), (813, 34097), (1897, 14613), (4871, 5691)]