210778841

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{1373}}^1$

素因数の和:1641

約数の個数: 24

約数和(自身を含む): 265341384

約数和(自身を除く): 54562543

約数列:

[1, 7, 13, 49, 91, 241, 637, 1373, 1687, 3133, 9611, 11809, 17849, 21931, 67277, 124943, 153517, 330893, 874601, 2316251, 4301609, 16213757, 30111263, 210778841]

約数ペア:

[(1, 210778841), (7, 30111263), (13, 16213757), (49, 4301609), (91, 2316251), (241, 874601), (637, 330893), (1373, 153517), (1687, 124943), (3133, 67277), (9611, 21931), (11809, 17849)]