420030177

素因数分解:

$3^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{79687}}^1$

素因数の和:79948

約数の個数: 16

約数和(自身を含む): 642604032

約数和(自身を除く): 222573855

約数列:

[1, 3, 7, 21, 251, 753, 1757, 5271, 79687, 239061, 557809, 1673427, 20001437, 60004311, 140010059, 420030177]

約数ペア:

[(1, 420030177), (3, 140010059), (7, 60004311), (21, 20001437), (251, 1673427), (753, 557809), (1757, 239061), (5271, 79687)]