51013557

素因数分解:

$3^4\times 7^2\times {\mathrm{12853}}^1$

素因数の和:12879

約数の個数: 30

約数和(自身を含む): 88654038

約数和(自身を除く): 37640481

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 12853, 38559, 89971, 115677, 269913, 347031, 629797, 809739, 1041093, 1889391, 2429217, 5668173, 7287651, 17004519, 51013557]

約数ペア:

[(1, 51013557), (3, 17004519), (7, 7287651), (9, 5668173), (21, 2429217), (27, 1889391), (49, 1041093), (63, 809739), (81, 629797), (147, 347031), (189, 269913), (441, 115677), (567, 89971), (1323, 38559), (3969, 12853)]