2019455721

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{3847}}^1$

素因数の和:3990

約数の個数: 48

約数和(自身を含む): 3198334464

約数和(自身を除く): 1178878743

約数列:

[1, 3, 9, 17, 47, 51, 73, 141, 153, 219, 423, 657, 799, 1241, 2397, 3431, 3723, 3847, 7191, 10293, 11169, 11541, 30879, 34623, 58327, 65399, 174981, 180809, 196197, 280831, 524943, 542427, 588591, 842493, 1627281, 2527479, 3073753, 4774127, 9221259, 13199057, 14322381, 27663777, 39597171, 42967143, 118791513, 224383969, 673151907, 2019455721]

約数ペア:

[(1, 2019455721), (3, 673151907), (9, 224383969), (17, 118791513), (47, 42967143), (51, 39597171), (73, 27663777), (141, 14322381), (153, 13199057), (219, 9221259), (423, 4774127), (657, 3073753), (799, 2527479), (1241, 1627281), (2397, 842493), (3431, 588591), (3723, 542427), (3847, 524943), (7191, 280831), (10293, 196197), (11169, 180809), (11541, 174981), (30879, 65399), (34623, 58327)]