201356433

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{503}}^1\times {\mathrm{2341}}^1$

素因数の和:2869

約数の個数: 24

約数和(自身を含む): 306895680

約数和(自身を除く): 105539247

約数列:

[1, 3, 9, 19, 57, 171, 503, 1509, 2341, 4527, 7023, 9557, 21069, 28671, 44479, 86013, 133437, 400311, 1177523, 3532569, 10597707, 22372937, 67118811, 201356433]

約数ペア:

[(1, 201356433), (3, 67118811), (9, 22372937), (19, 10597707), (57, 3532569), (171, 1177523), (503, 400311), (1509, 133437), (2341, 86013), (4527, 44479), (7023, 28671), (9557, 21069)]