81784638

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{349507}}^1$

素因数の和:349528

約数の個数: 24

約数和(自身を含む): 190831368

約数和(自身を除く): 109046730

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 349507, 699014, 1048521, 2097042, 3145563, 4543591, 6291126, 9087182, 13630773, 27261546, 40892319, 81784638]

約数ペア:

[(1, 81784638), (2, 40892319), (3, 27261546), (6, 13630773), (9, 9087182), (13, 6291126), (18, 4543591), (26, 3145563), (39, 2097042), (78, 1048521), (117, 699014), (234, 349507)]