207968397

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{108827}}^1$

素因数の和:108857

約数の個数: 24

約数和(自身を含む): 347378976

約数和(自身を除く): 139410579

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 108827, 326481, 761789, 1414751, 2285367, 4244253, 5332523, 9903257, 15997569, 29709771, 69322799, 207968397]

約数ペア:

[(1, 207968397), (3, 69322799), (7, 29709771), (13, 15997569), (21, 9903257), (39, 5332523), (49, 4244253), (91, 2285367), (147, 1414751), (273, 761789), (637, 326481), (1911, 108827)]