208156959

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1229}}^1$

素因数の和:1302

約数の個数: 48

約数和(自身を含む): 338476320

約数和(自身を除く): 130319361

約数列:

[1, 3, 9, 17, 27, 41, 51, 81, 123, 153, 243, 369, 459, 697, 1107, 1229, 1377, 2091, 3321, 3687, 4131, 6273, 9963, 11061, 18819, 20893, 33183, 50389, 56457, 62679, 99549, 151167, 169371, 188037, 298647, 453501, 564111, 856613, 1360503, 1692333, 2569839, 4081509, 5076999, 7709517, 12244527, 23128551, 69385653, 208156959]

約数ペア:

[(1, 208156959), (3, 69385653), (9, 23128551), (17, 12244527), (27, 7709517), (41, 5076999), (51, 4081509), (81, 2569839), (123, 1692333), (153, 1360503), (243, 856613), (369, 564111), (459, 453501), (697, 298647), (1107, 188037), (1229, 169371), (1377, 151167), (2091, 99549), (3321, 62679), (3687, 56457), (4131, 50389), (6273, 33183), (9963, 20893), (11061, 18819)]