207009

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:78

約数の個数: 32

約数和(自身を含む): 362880

約数和(自身を除く): 155871

約数列:

[1, 3, 9, 11, 17, 27, 33, 41, 51, 99, 123, 153, 187, 297, 369, 451, 459, 561, 697, 1107, 1353, 1683, 2091, 4059, 5049, 6273, 7667, 12177, 18819, 23001, 69003, 207009]

約数ペア:

[(1, 207009), (3, 69003), (9, 23001), (11, 18819), (17, 12177), (27, 7667), (33, 6273), (41, 5049), (51, 4059), (99, 2091), (123, 1683), (153, 1353), (187, 1107), (297, 697), (369, 561), (451, 459)]