204059205

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20897}}^1$

素因数の和:20946

約数の個数: 48

約数和(自身を含む): 417291264

約数和(自身を除く): 213232059

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 63, 93, 105, 155, 217, 279, 315, 465, 651, 1085, 1395, 1953, 3255, 9765, 20897, 62691, 104485, 146279, 188073, 313455, 438837, 647807, 731395, 940365, 1316511, 1943421, 2194185, 3239035, 4534649, 5830263, 6582555, 9717105, 13603947, 22673245, 29151315, 40811841, 68019735, 204059205]

約数ペア:

[(1, 204059205), (3, 68019735), (5, 40811841), (7, 29151315), (9, 22673245), (15, 13603947), (21, 9717105), (31, 6582555), (35, 5830263), (45, 4534649), (63, 3239035), (93, 2194185), (105, 1943421), (155, 1316511), (217, 940365), (279, 731395), (315, 647807), (465, 438837), (651, 313455), (1085, 188073), (1395, 146279), (1953, 104485), (3255, 62691), (9765, 20897)]