208523511

素因数分解:

$3^3\times 7^1\times {\mathrm{547}}^1\times {\mathrm{2017}}^1$

素因数の和:2580

約数の個数: 32

約数和(自身を含む): 353876480

約数和(自身を除く): 145352969

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 547, 1641, 2017, 3829, 4923, 6051, 11487, 14119, 14769, 18153, 34461, 42357, 54459, 103383, 127071, 381213, 1103299, 3309897, 7723093, 9929691, 23169279, 29789073, 69507837, 208523511]

約数ペア:

[(1, 208523511), (3, 69507837), (7, 29789073), (9, 23169279), (21, 9929691), (27, 7723093), (63, 3309897), (189, 1103299), (547, 381213), (1641, 127071), (2017, 103383), (3829, 54459), (4923, 42357), (6051, 34461), (11487, 18153), (14119, 14769)]