209524077

素因数分解:

$3^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2161}}^1$

素因数の和:2205

約数の個数: 56

約数和(自身を含む): 378090560

約数和(自身を除く): 168566483

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 243, 399, 513, 567, 729, 1197, 1539, 1701, 2161, 3591, 4617, 5103, 6483, 10773, 13851, 15127, 19449, 32319, 41059, 45381, 58347, 96957, 123177, 136143, 175041, 287413, 369531, 408429, 525123, 862239, 1108593, 1225287, 1575369, 2586717, 3325779, 3675861, 7760151, 9977337, 11027583, 23280453, 29932011, 69841359, 209524077]

約数ペア:

[(1, 209524077), (3, 69841359), (7, 29932011), (9, 23280453), (19, 11027583), (21, 9977337), (27, 7760151), (57, 3675861), (63, 3325779), (81, 2586717), (133, 1575369), (171, 1225287), (189, 1108593), (243, 862239), (399, 525123), (513, 408429), (567, 369531), (729, 287413), (1197, 175041), (1539, 136143), (1701, 123177), (2161, 96957), (3591, 58347), (4617, 45381), (5103, 41059), (6483, 32319), (10773, 19449), (13851, 15127)]