208344555

素因数分解:

$3^9\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:134

約数の個数: 80

約数和(自身を含む): 393259680

約数和(自身を除く): 184915125

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 73, 81, 87, 135, 145, 219, 243, 261, 365, 405, 435, 657, 729, 783, 1095, 1215, 1305, 1971, 2117, 2187, 2349, 3285, 3645, 3915, 5913, 6351, 6561, 7047, 9855, 10585, 10935, 11745, 17739, 19053, 19683, 21141, 29565, 31755, 32805, 35235, 53217, 57159, 63423, 88695, 95265, 98415, 105705, 159651, 171477, 190269, 266085, 285795, 317115, 478953, 514431, 570807, 798255, 857385, 951345, 1436859, 1543293, 2394765, 2572155, 2854035, 4629879, 7184295, 7716465, 13889637, 23149395, 41668911, 69448185, 208344555]

約数ペア:

[(1, 208344555), (3, 69448185), (5, 41668911), (9, 23149395), (15, 13889637), (27, 7716465), (29, 7184295), (45, 4629879), (73, 2854035), (81, 2572155), (87, 2394765), (135, 1543293), (145, 1436859), (219, 951345), (243, 857385), (261, 798255), (365, 570807), (405, 514431), (435, 478953), (657, 317115), (729, 285795), (783, 266085), (1095, 190269), (1215, 171477), (1305, 159651), (1971, 105705), (2117, 98415), (2187, 95265), (2349, 88695), (3285, 63423), (3645, 57159), (3915, 53217), (5913, 35235), (6351, 32805), (6561, 31755), (7047, 29565), (9855, 21141), (10585, 19683), (10935, 19053), (11745, 17739)]