217421085

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{15569}}^1$

素因数の和:15610

約数の個数: 48

約数和(自身を含む): 425995200

約数和(自身を除く): 208574115

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 399, 665, 735, 931, 1995, 2793, 4655, 13965, 15569, 46707, 77845, 108983, 233535, 295811, 326949, 544915, 762881, 887433, 1479055, 1634745, 2070677, 2288643, 3814405, 4437165, 6212031, 10353385, 11443215, 14494739, 31060155, 43484217, 72473695, 217421085]

約数ペア:

[(1, 217421085), (3, 72473695), (5, 43484217), (7, 31060155), (15, 14494739), (19, 11443215), (21, 10353385), (35, 6212031), (49, 4437165), (57, 3814405), (95, 2288643), (105, 2070677), (133, 1634745), (147, 1479055), (245, 887433), (285, 762881), (399, 544915), (665, 326949), (735, 295811), (931, 233535), (1995, 108983), (2793, 77845), (4655, 46707), (13965, 15569)]