2208303

素因数分解:

$3^4\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:348

約数の個数: 20

約数和(自身を含む): 3339600

約数和(自身を除く): 1131297

約数列:

[1, 3, 9, 27, 81, 137, 199, 411, 597, 1233, 1791, 3699, 5373, 11097, 16119, 27263, 81789, 245367, 736101, 2208303]

約数ペア:

[(1, 2208303), (3, 736101), (9, 245367), (27, 81789), (81, 27263), (137, 16119), (199, 11097), (411, 5373), (597, 3699), (1233, 1791)]