209260429

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{1097}}^1$

素因数の和:1357

約数の個数: 24

約数和(自身を含む): 259106040

約数和(自身を除く): 49845611

約数列:

[1, 7, 17, 49, 119, 229, 833, 1097, 1603, 3893, 7679, 11221, 18649, 27251, 53753, 130543, 190757, 251213, 913801, 1758491, 4270621, 12309437, 29894347, 209260429]

約数ペア:

[(1, 209260429), (7, 29894347), (17, 12309437), (49, 4270621), (119, 1758491), (229, 913801), (833, 251213), (1097, 190757), (1603, 130543), (3893, 53753), (7679, 27251), (11221, 18649)]