1331869

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{353}}^1$

素因数の和:385

約数の個数: 16

約数和(自身を含む): 1699200

約数和(自身を除く): 367331

約数列:

[1, 7, 11, 49, 77, 343, 353, 539, 2471, 3773, 3883, 17297, 27181, 121079, 190267, 1331869]

約数ペア:

[(1, 1331869), (7, 190267), (11, 121079), (49, 27181), (77, 17297), (343, 3883), (353, 3773), (539, 2471)]