81762849

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{21997}}^1$

素因数の和:22069

約数の個数: 24

約数和(自身を含む): 137267520

約数和(自身を除く): 55504671

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 413, 531, 1239, 3717, 21997, 65991, 153979, 197973, 461937, 1297823, 1385811, 3893469, 9084761, 11680407, 27254283, 81762849]

約数ペア:

[(1, 81762849), (3, 27254283), (7, 11680407), (9, 9084761), (21, 3893469), (59, 1385811), (63, 1297823), (177, 461937), (413, 197973), (531, 153979), (1239, 65991), (3717, 21997)]