208048815

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{5009}}^1$

素因数の和:5104

約数の個数: 48

約数和(自身を含む): 393906240

約数和(自身を除く): 185857425

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 71, 117, 195, 213, 355, 585, 639, 923, 1065, 2769, 3195, 4615, 5009, 8307, 13845, 15027, 25045, 41535, 45081, 65117, 75135, 195351, 225405, 325585, 355639, 586053, 976755, 1066917, 1778195, 2930265, 3200751, 4623307, 5334585, 13869921, 16003755, 23116535, 41609763, 69349605, 208048815]

約数ペア:

[(1, 208048815), (3, 69349605), (5, 41609763), (9, 23116535), (13, 16003755), (15, 13869921), (39, 5334585), (45, 4623307), (65, 3200751), (71, 2930265), (117, 1778195), (195, 1066917), (213, 976755), (355, 586053), (585, 355639), (639, 325585), (923, 225405), (1065, 195351), (2769, 75135), (3195, 65117), (4615, 45081), (5009, 41535), (8307, 25045), (13845, 15027)]