208049331915

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{649069}}^1$

素因数の和:649516

約数の個数: 48

約数和(自身を含む): 382743597600

約数和(自身を除く): 174694265685

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 419, 765, 1257, 2095, 3771, 6285, 7123, 18855, 21369, 35615, 64107, 106845, 320535, 649069, 1947207, 3245345, 5841621, 9736035, 11034173, 29208105, 33102519, 55170865, 99307557, 165512595, 271959911, 496537785, 815879733, 1359799555, 2447639199, 4079398665, 4623318487, 12238195995, 13869955461, 23116592435, 41609866383, 69349777305, 208049331915]

約数ペア:

[(1, 208049331915), (3, 69349777305), (5, 41609866383), (9, 23116592435), (15, 13869955461), (17, 12238195995), (45, 4623318487), (51, 4079398665), (85, 2447639199), (153, 1359799555), (255, 815879733), (419, 496537785), (765, 271959911), (1257, 165512595), (2095, 99307557), (3771, 55170865), (6285, 33102519), (7123, 29208105), (18855, 11034173), (21369, 9736035), (35615, 5841621), (64107, 3245345), (106845, 1947207), (320535, 649069)]