42309981

素因数分解:

$3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{2593}}^1$

素因数の和:2650

約数の個数: 36

約数和(自身を含む): 73041852

約数和(自身を除く): 30731871

約数列:

[1, 3, 7, 9, 21, 37, 49, 63, 111, 147, 259, 333, 441, 777, 1813, 2331, 2593, 5439, 7779, 16317, 18151, 23337, 54453, 95941, 127057, 163359, 287823, 381171, 671587, 863469, 1143513, 2014761, 4701109, 6044283, 14103327, 42309981]

約数ペア:

[(1, 42309981), (3, 14103327), (7, 6044283), (9, 4701109), (21, 2014761), (37, 1143513), (49, 863469), (63, 671587), (111, 381171), (147, 287823), (259, 163359), (333, 127057), (441, 95941), (777, 54453), (1813, 23337), (2331, 18151), (2593, 16317), (5439, 7779)]