78478143

素因数分解:

$3^1\times {\mathrm{31}}^2\times {\mathrm{163}}^1\times {\mathrm{167}}^1$

素因数の和:395

約数の個数: 24

約数和(自身を含む): 109436544

約数和(自身を除く): 30958401

約数列:

[1, 3, 31, 93, 163, 167, 489, 501, 961, 2883, 5053, 5177, 15159, 15531, 27221, 81663, 156643, 160487, 469929, 481461, 843851, 2531553, 26159381, 78478143]

約数ペア:

[(1, 78478143), (3, 26159381), (31, 2531553), (93, 843851), (163, 481461), (167, 469929), (489, 160487), (501, 156643), (961, 81663), (2883, 27221), (5053, 15531), (5177, 15159)]