207911949

素因数分解:

$3^1\times 7^2\times {\mathrm{571}}^1\times {\mathrm{2477}}^1$

素因数の和:3065

約数の個数: 24

約数和(自身を含む): 323170848

約数和(自身を除く): 115258899

約数列:

[1, 3, 7, 21, 49, 147, 571, 1713, 2477, 3997, 7431, 11991, 17339, 27979, 52017, 83937, 121373, 364119, 1414367, 4243101, 9900569, 29701707, 69303983, 207911949]

約数ペア:

[(1, 207911949), (3, 69303983), (7, 29701707), (21, 9900569), (49, 4243101), (147, 1414367), (571, 364119), (1713, 121373), (2477, 83937), (3997, 52017), (7431, 27979), (11991, 17339)]