30981293

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1873}}^1$

素因数の和:2036

約数の個数: 16

約数和(自身を含む): 37779840

約数和(自身を除く): 6798547

約数列:

[1, 7, 17, 119, 139, 973, 1873, 2363, 13111, 16541, 31841, 222887, 260347, 1822429, 4425899, 30981293]

約数ペア:

[(1, 30981293), (7, 4425899), (17, 1822429), (119, 260347), (139, 222887), (973, 31841), (1873, 16541), (2363, 13111)]