51039261

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20773}}^1$

素因数の和:20802

約数の個数: 32

約数和(自身を含む): 93067520

約数和(自身を除く): 42028259

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 20773, 62319, 145411, 186957, 270049, 436233, 560871, 810147, 1308699, 1890343, 2430441, 3926097, 5671029, 7291323, 17013087, 51039261]

約数ペア:

[(1, 51039261), (3, 17013087), (7, 7291323), (9, 5671029), (13, 3926097), (21, 2430441), (27, 1890343), (39, 1308699), (63, 810147), (91, 560871), (117, 436233), (189, 270049), (273, 186957), (351, 145411), (819, 62319), (2457, 20773)]