2061531

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{821}}^1$

素因数の和:864

約数の個数: 20

約数和(自身を含む): 3182784

約数和(自身を除く): 1121253

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 821, 837, 2463, 2511, 7389, 22167, 25451, 66501, 76353, 229059, 687177, 2061531]

約数ペア:

[(1, 2061531), (3, 687177), (9, 229059), (27, 76353), (31, 66501), (81, 25451), (93, 22167), (279, 7389), (821, 2511), (837, 2463)]