13805281

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{293}}^1$

素因数の和:480

約数の個数: 16

約数和(自身を含む): 16257024

約数和(自身を除く): 2451743

約数列:

[1, 7, 53, 127, 293, 371, 889, 2051, 6731, 15529, 37211, 47117, 108703, 260477, 1972183, 13805281]

約数ペア:

[(1, 13805281), (7, 1972183), (53, 260477), (127, 108703), (293, 47117), (371, 37211), (889, 15529), (2051, 6731)]