30731371

素因数分解:

${\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:450

約数の個数: 16

約数和(自身を含む): 34272000

約数和(自身を除く): 3540629

約数列:

[1, 11, 101, 139, 199, 1111, 1529, 2189, 14039, 20099, 27661, 154429, 221089, 304271, 2793761, 30731371]

約数ペア:

[(1, 30731371), (11, 2793761), (101, 304271), (139, 221089), (199, 154429), (1111, 27661), (1529, 20099), (2189, 14039)]