15805071

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{821}}^1$

素因数の和:884

約数の個数: 32

約数和(自身を含む): 25251840

約数和(自身を除く): 9446769

約数列:

[1, 3, 9, 23, 27, 31, 69, 93, 207, 279, 621, 713, 821, 837, 2139, 2463, 6417, 7389, 18883, 19251, 22167, 25451, 56649, 76353, 169947, 229059, 509841, 585373, 687177, 1756119, 5268357, 15805071]

約数ペア:

[(1, 15805071), (3, 5268357), (9, 1756119), (23, 687177), (27, 585373), (31, 509841), (69, 229059), (93, 169947), (207, 76353), (279, 56649), (621, 25451), (713, 22167), (821, 19251), (837, 18883), (2139, 7389), (2463, 6417)]