2771391

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1109}}^1$

素因数の和:1143

約数の個数: 24

約数和(自身を含む): 4555440

約数和(自身を除く): 1784049

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 1109, 2499, 3327, 7763, 18853, 23289, 54341, 56559, 131971, 163023, 395913, 923797, 2771391]

約数ペア:

[(1, 2771391), (3, 923797), (7, 395913), (17, 163023), (21, 131971), (49, 56559), (51, 54341), (119, 23289), (147, 18853), (357, 7763), (833, 3327), (1109, 2499)]