1666705815

素因数分解:

$3^4\times 5^1\times {\mathrm{331}}^1\times {\mathrm{12433}}^1$

素因数の和:12781

約数の個数: 40

約数和(自身を含む): 2996991888

約数和(自身を除く): 1330286073

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 331, 405, 993, 1655, 2979, 4965, 8937, 12433, 14895, 26811, 37299, 44685, 62165, 111897, 134055, 186495, 335691, 559485, 1007073, 1678455, 4115323, 5035365, 12345969, 20576615, 37037907, 61729845, 111113721, 185189535, 333341163, 555568605, 1666705815]

約数ペア:

[(1, 1666705815), (3, 555568605), (5, 333341163), (9, 185189535), (15, 111113721), (27, 61729845), (45, 37037907), (81, 20576615), (135, 12345969), (331, 5035365), (405, 4115323), (993, 1678455), (1655, 1007073), (2979, 559485), (4965, 335691), (8937, 186495), (12433, 134055), (14895, 111897), (26811, 62165), (37299, 44685)]