207953207

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{1373}}^1$

素因数の和:1679

約数の個数: 24

約数和(自身を含む): 265028112

約数和(自身を除く): 57074905

約数列:

[1, 7, 11, 49, 77, 281, 539, 1373, 1967, 3091, 9611, 13769, 15103, 21637, 67277, 105721, 151459, 385813, 740047, 2700691, 4243943, 18904837, 29707601, 207953207]

約数ペア:

[(1, 207953207), (7, 29707601), (11, 18904837), (49, 4243943), (77, 2700691), (281, 740047), (539, 385813), (1373, 151459), (1967, 105721), (3091, 67277), (9611, 21637), (13769, 15103)]