49719951

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 80870400

約数和(自身を除く): 31150449

約数列:

[1, 3, 9, 17, 23, 51, 69, 71, 153, 199, 207, 213, 391, 597, 639, 1173, 1207, 1633, 1791, 3383, 3519, 3621, 4577, 4899, 10149, 10863, 13731, 14129, 14697, 27761, 30447, 41193, 42387, 77809, 83283, 127161, 233427, 240193, 249849, 324967, 700281, 720579, 974901, 2161737, 2924703, 5524439, 16573317, 49719951]

約数ペア:

[(1, 49719951), (3, 16573317), (9, 5524439), (17, 2924703), (23, 2161737), (51, 974901), (69, 720579), (71, 700281), (153, 324967), (199, 249849), (207, 240193), (213, 233427), (391, 127161), (597, 83283), (639, 77809), (1173, 42387), (1207, 41193), (1633, 30447), (1791, 27761), (3383, 14697), (3519, 14129), (3621, 13731), (4577, 10863), (4899, 10149)]