78797817

素因数分解:

$3^2\times 7^1\times {\mathrm{919}}^1\times {\mathrm{1361}}^1$

素因数の和:2293

約数の個数: 24

約数和(自身を含む): 130316160

約数和(自身を除く): 51518343

約数列:

[1, 3, 7, 9, 21, 63, 919, 1361, 2757, 4083, 6433, 8271, 9527, 12249, 19299, 28581, 57897, 85743, 1250759, 3752277, 8755313, 11256831, 26265939, 78797817]

約数ペア:

[(1, 78797817), (3, 26265939), (7, 11256831), (9, 8755313), (21, 3752277), (63, 1250759), (919, 85743), (1361, 57897), (2757, 28581), (4083, 19299), (6433, 12249), (8271, 9527)]