18085059

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:129

約数の個数: 48

約数和(自身を含む): 30028320

約数和(自身を除く): 11943261

約数列:

[1, 3, 9, 17, 27, 31, 41, 51, 93, 123, 153, 279, 369, 459, 527, 697, 837, 961, 1107, 1271, 1581, 2091, 2883, 3813, 4743, 6273, 8649, 11439, 14229, 16337, 18819, 21607, 25947, 34317, 39401, 49011, 64821, 118203, 147033, 194463, 354609, 441099, 583389, 669817, 1063827, 2009451, 6028353, 18085059]

約数ペア:

[(1, 18085059), (3, 6028353), (9, 2009451), (17, 1063827), (27, 669817), (31, 583389), (41, 441099), (51, 354609), (93, 194463), (123, 147033), (153, 118203), (279, 64821), (369, 49011), (459, 39401), (527, 34317), (697, 25947), (837, 21607), (961, 18819), (1107, 16337), (1271, 14229), (1581, 11439), (2091, 8649), (2883, 6273), (3813, 4743)]