1520155

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{257}}^1$

素因数の和:295

約数の個数: 24

約数和(自身を含む): 2266272

約数和(自身を除く): 746117

約数列:

[1, 5, 7, 13, 35, 65, 91, 169, 257, 455, 845, 1183, 1285, 1799, 3341, 5915, 8995, 16705, 23387, 43433, 116935, 217165, 304031, 1520155]

約数ペア:

[(1, 1520155), (5, 304031), (7, 217165), (13, 116935), (35, 43433), (65, 23387), (91, 16705), (169, 8995), (257, 5915), (455, 3341), (845, 1799), (1183, 1285)]