209214687

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{37}}^2\times {\mathrm{421}}^1$

素因数の和:520

約数の個数: 36

約数和(自身を含む): 315877128

約数和(自身を除く): 106662441

約数列:

[1, 3, 11, 33, 37, 111, 121, 363, 407, 421, 1221, 1263, 1369, 4107, 4477, 4631, 13431, 13893, 15059, 15577, 45177, 46731, 50941, 152823, 165649, 171347, 496947, 514041, 576349, 1729047, 1884817, 5654451, 6339839, 19019517, 69738229, 209214687]

約数ペア:

[(1, 209214687), (3, 69738229), (11, 19019517), (33, 6339839), (37, 5654451), (111, 1884817), (121, 1729047), (363, 576349), (407, 514041), (421, 496947), (1221, 171347), (1263, 165649), (1369, 152823), (4107, 50941), (4477, 46731), (4631, 45177), (13431, 15577), (13893, 15059)]