16621857729

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{839}}^1\times {\mathrm{4177}}^1$

素因数の和:5070

約数の個数: 48

約数和(自身を含む): 26279285760

約数和(自身を除く): 9657428031

約数列:

[1, 3, 9, 17, 31, 51, 93, 153, 279, 527, 839, 1581, 2517, 4177, 4743, 7551, 12531, 14263, 26009, 37593, 42789, 71009, 78027, 128367, 129487, 213027, 234081, 388461, 442153, 639081, 1165383, 1326459, 2201279, 3504503, 3979377, 6603837, 10513509, 19811511, 31540527, 59576551, 108639593, 178729653, 325918779, 536188959, 977756337, 1846873081, 5540619243, 16621857729]

約数ペア:

[(1, 16621857729), (3, 5540619243), (9, 1846873081), (17, 977756337), (31, 536188959), (51, 325918779), (93, 178729653), (153, 108639593), (279, 59576551), (527, 31540527), (839, 19811511), (1581, 10513509), (2517, 6603837), (4177, 3979377), (4743, 3504503), (7551, 2201279), (12531, 1326459), (14263, 1165383), (26009, 639081), (37593, 442153), (42789, 388461), (71009, 234081), (78027, 213027), (128367, 129487)]