51511887

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{6871}}^1$

素因数の和:6908

約数の個数: 36

約数和(自身を含む): 91658736

約数和(自身を除く): 40146849

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 153, 357, 441, 833, 1071, 2499, 6871, 7497, 20613, 48097, 61839, 116807, 144291, 336679, 350421, 432873, 817649, 1010037, 1051263, 2452947, 3030111, 5723543, 7358841, 17170629, 51511887]

約数ペア:

[(1, 51511887), (3, 17170629), (7, 7358841), (9, 5723543), (17, 3030111), (21, 2452947), (49, 1051263), (51, 1010037), (63, 817649), (119, 432873), (147, 350421), (153, 336679), (357, 144291), (441, 116807), (833, 61839), (1071, 48097), (2499, 20613), (6871, 7497)]