81420891

素因数分解:

$3^1\times {\mathrm{211}}^1\times {\mathrm{293}}^1\times {\mathrm{439}}^1$

素因数の和:946

約数の個数: 16

約数和(自身を含む): 109697280

約数和(自身を除く): 28276389

約数列:

[1, 3, 211, 293, 439, 633, 879, 1317, 61823, 92629, 128627, 185469, 277887, 385881, 27140297, 81420891]

約数ペア:

[(1, 81420891), (3, 27140297), (211, 385881), (293, 277887), (439, 185469), (633, 128627), (879, 92629), (1317, 61823)]