210645743

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{19681}}^1$

素因数の和:19838

約数の個数: 16

約数和(自身を含む): 264526080

約数和(自身を除く): 53880337

約数列:

[1, 7, 11, 77, 139, 973, 1529, 10703, 19681, 137767, 216491, 1515437, 2735659, 19149613, 30092249, 210645743]

約数ペア:

[(1, 210645743), (7, 30092249), (11, 19149613), (77, 2735659), (139, 1515437), (973, 216491), (1529, 137767), (10703, 19681)]