51205665

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{25667}}^1$

素因数の和:25701

約数の個数: 32

約数和(自身を含む): 98565120

約数和(自身を除く): 47359455

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 25667, 77001, 128335, 179669, 385005, 487673, 539007, 898345, 1463019, 2438365, 2695035, 3413711, 7315095, 10241133, 17068555, 51205665]

約数ペア:

[(1, 51205665), (3, 17068555), (5, 10241133), (7, 7315095), (15, 3413711), (19, 2695035), (21, 2438365), (35, 1463019), (57, 898345), (95, 539007), (105, 487673), (133, 385005), (285, 179669), (399, 128335), (665, 77001), (1995, 25667)]