1660239

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1$

素因数の和:124

約数の個数: 36

約数和(自身を含む): 2932176

約数和(自身を除く): 1271937

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 73, 133, 171, 219, 361, 399, 511, 657, 1083, 1197, 1387, 1533, 2527, 3249, 4161, 4599, 7581, 9709, 12483, 22743, 26353, 29127, 79059, 87381, 184471, 237177, 553413, 1660239]

約数ペア:

[(1, 1660239), (3, 553413), (7, 237177), (9, 184471), (19, 87381), (21, 79059), (57, 29127), (63, 26353), (73, 22743), (133, 12483), (171, 9709), (219, 7581), (361, 4599), (399, 4161), (511, 3249), (657, 2527), (1083, 1533), (1197, 1387)]