51779721

素因数分解:

$3^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{2161}}^1$

素因数の和:2341

約数の個数: 24

約数和(自身を含む): 80841504

約数和(自身を除く): 29061783

約数列:

[1, 3, 7, 21, 49, 147, 163, 489, 1141, 2161, 3423, 6483, 7987, 15127, 23961, 45381, 105889, 317667, 352243, 1056729, 2465701, 7397103, 17259907, 51779721]

約数ペア:

[(1, 51779721), (3, 17259907), (7, 7397103), (21, 2465701), (49, 1056729), (147, 352243), (163, 317667), (489, 105889), (1141, 45381), (2161, 23961), (3423, 15127), (6483, 7987)]