210319907

素因数分解:

$7^2\times {\mathrm{149}}^1\times {\mathrm{28807}}^1$

素因数の和:28970

約数の個数: 12

約数和(自身を含む): 246308400

約数和(自身を除く): 35988493

約数列:

[1, 7, 49, 149, 1043, 7301, 28807, 201649, 1411543, 4292243, 30045701, 210319907]

約数ペア:

[(1, 210319907), (7, 30045701), (49, 4292243), (149, 1411543), (1043, 201649), (7301, 28807)]