253667043

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2903}}^1$

素因数の和:3008

約数の個数: 48

約数和(自身を含む): 446983680

約数和(自身を除く): 193316637

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 73, 133, 171, 219, 399, 511, 657, 1197, 1387, 1533, 2903, 4161, 4599, 8709, 9709, 12483, 20321, 26127, 29127, 55157, 60963, 87381, 165471, 182889, 211919, 386099, 496413, 635757, 1158297, 1483433, 1907271, 3474891, 4026461, 4450299, 12079383, 13350897, 28185227, 36238149, 84555681, 253667043]

約数ペア:

[(1, 253667043), (3, 84555681), (7, 36238149), (9, 28185227), (19, 13350897), (21, 12079383), (57, 4450299), (63, 4026461), (73, 3474891), (133, 1907271), (171, 1483433), (219, 1158297), (399, 635757), (511, 496413), (657, 386099), (1197, 211919), (1387, 182889), (1533, 165471), (2903, 87381), (4161, 60963), (4599, 55157), (8709, 29127), (9709, 26127), (12483, 20321)]