291239277

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{937}}^1$

素因数の和:1026

約数の個数: 48

約数和(自身を含む): 480316032

約数和(自身を除く): 189076755

約数列:

[1, 3, 7, 19, 21, 41, 57, 123, 133, 287, 361, 399, 779, 861, 937, 1083, 2337, 2527, 2811, 5453, 6559, 7581, 14801, 16359, 17803, 19677, 38417, 44403, 53409, 103607, 115251, 124621, 268919, 310821, 338257, 373863, 729923, 806757, 1014771, 2189769, 2367799, 5109461, 7103397, 13868537, 15328383, 41605611, 97079759, 291239277]

約数ペア:

[(1, 291239277), (3, 97079759), (7, 41605611), (19, 15328383), (21, 13868537), (41, 7103397), (57, 5109461), (123, 2367799), (133, 2189769), (287, 1014771), (361, 806757), (399, 729923), (779, 373863), (861, 338257), (937, 310821), (1083, 268919), (2337, 124621), (2527, 115251), (2811, 103607), (5453, 53409), (6559, 44403), (7581, 38417), (14801, 19677), (16359, 17803)]