207870849

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3109}}^1$

素因数の和:3174

約数の個数: 48

約数和(自身を含む): 349315200

約数和(自身を除く): 141444351

約数列:

[1, 3, 9, 17, 19, 23, 51, 57, 69, 153, 171, 207, 323, 391, 437, 969, 1173, 1311, 2907, 3109, 3519, 3933, 7429, 9327, 22287, 27981, 52853, 59071, 66861, 71507, 158559, 177213, 214521, 475677, 531639, 643563, 1004207, 1215619, 1358633, 3012621, 3646857, 4075899, 9037863, 10940571, 12227697, 23096761, 69290283, 207870849]

約数ペア:

[(1, 207870849), (3, 69290283), (9, 23096761), (17, 12227697), (19, 10940571), (23, 9037863), (51, 4075899), (57, 3646857), (69, 3012621), (153, 1358633), (171, 1215619), (207, 1004207), (323, 643563), (391, 531639), (437, 475677), (969, 214521), (1173, 177213), (1311, 158559), (2907, 71507), (3109, 66861), (3519, 59071), (3933, 52853), (7429, 27981), (9327, 22287)]