2138157

素因数分解:

$3^6\times 7^1\times {\mathrm{419}}^1$

素因数の和:444

約数の個数: 28

約数和(自身を含む): 3672480

約数和(自身を除く): 1534323

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 419, 567, 729, 1257, 1701, 2933, 3771, 5103, 8799, 11313, 26397, 33939, 79191, 101817, 237573, 305451, 712719, 2138157]

約数ペア:

[(1, 2138157), (3, 712719), (7, 305451), (9, 237573), (21, 101817), (27, 79191), (63, 33939), (81, 26397), (189, 11313), (243, 8799), (419, 5103), (567, 3771), (729, 2933), (1257, 1701)]