1980784257

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{271}}^1\times {\mathrm{397}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 2969678592

約数和(自身を除く): 988894335

約数列:

[1, 3, 17, 19, 51, 57, 271, 323, 361, 397, 813, 969, 1083, 1191, 4607, 5149, 6137, 6749, 7543, 13821, 15447, 18411, 20247, 22629, 87533, 97831, 107587, 128231, 143317, 262599, 293493, 322761, 384693, 429951, 1663127, 1828979, 2044153, 2436389, 4989381, 5486937, 6132459, 7309167, 34750601, 38838907, 104251803, 116516721, 660261419, 1980784257]

約数ペア:

[(1, 1980784257), (3, 660261419), (17, 116516721), (19, 104251803), (51, 38838907), (57, 34750601), (271, 7309167), (323, 6132459), (361, 5486937), (397, 4989381), (813, 2436389), (969, 2044153), (1083, 1828979), (1191, 1663127), (4607, 429951), (5149, 384693), (6137, 322761), (6749, 293493), (7543, 262599), (13821, 143317), (15447, 128231), (18411, 107587), (20247, 97831), (22629, 87533)]