1821447

素因数分解:

$3^4\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:324

約数の個数: 20

約数和(自身を含む): 2758800

約数和(自身を除く): 937353

約数列:

[1, 3, 9, 27, 81, 113, 199, 339, 597, 1017, 1791, 3051, 5373, 9153, 16119, 22487, 67461, 202383, 607149, 1821447]

約数ペア:

[(1, 1821447), (3, 607149), (9, 202383), (27, 67461), (81, 22487), (113, 16119), (199, 9153), (339, 5373), (597, 3051), (1017, 1791)]