81191541

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3643}}^1$

素因数の和:3705

約数の個数: 32

約数和(自身を含む): 125936640

約数和(自身を除く): 44745099

約数列:

[1, 3, 17, 19, 23, 51, 57, 69, 323, 391, 437, 969, 1173, 1311, 3643, 7429, 10929, 22287, 61931, 69217, 83789, 185793, 207651, 251367, 1176689, 1424413, 1591991, 3530067, 4273239, 4775973, 27063847, 81191541]

約数ペア:

[(1, 81191541), (3, 27063847), (17, 4775973), (19, 4273239), (23, 3530067), (51, 1591991), (57, 1424413), (69, 1176689), (323, 251367), (391, 207651), (437, 185793), (969, 83789), (1173, 69217), (1311, 61931), (3643, 22287), (7429, 10929)]