205120517

素因数分解:

$7^3\times {\mathrm{569}}^1\times {\mathrm{1051}}^1$

素因数の和:1641

約数の個数: 16

約数和(自身を含む): 239856000

約数和(自身を除く): 34735483

約数列:

[1, 7, 49, 343, 569, 1051, 3983, 7357, 27881, 51499, 195167, 360493, 598019, 4186133, 29302931, 205120517]

約数ペア:

[(1, 205120517), (7, 29302931), (49, 4186133), (343, 598019), (569, 360493), (1051, 195167), (3983, 51499), (7357, 27881)]