81161307

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{809}}^1$

素因数の和:1043

約数の個数: 24

約数和(自身を含む): 119789280

約数和(自身を除く): 38627973

約数列:

[1, 3, 9, 71, 157, 213, 471, 639, 809, 1413, 2427, 7281, 11147, 33441, 57439, 100323, 127013, 172317, 381039, 516951, 1143117, 9017923, 27053769, 81161307]

約数ペア:

[(1, 81161307), (3, 27053769), (9, 9017923), (71, 1143117), (157, 516951), (213, 381039), (471, 172317), (639, 127013), (809, 100323), (1413, 57439), (2427, 33441), (7281, 11147)]