39945339

素因数分解:

$3^3\times 7^2\times {\mathrm{109}}^1\times {\mathrm{277}}^1$

素因数の和:409

約数の個数: 48

約数和(自身を含む): 69722400

約数和(自身を除く): 29777061

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 109, 147, 189, 277, 327, 441, 763, 831, 981, 1323, 1939, 2289, 2493, 2943, 5341, 5817, 6867, 7479, 13573, 16023, 17451, 20601, 30193, 40719, 48069, 52353, 90579, 122157, 144207, 211351, 271737, 366471, 634053, 815211, 1479457, 1902159, 4438371, 5706477, 13315113, 39945339]

約数ペア:

[(1, 39945339), (3, 13315113), (7, 5706477), (9, 4438371), (21, 1902159), (27, 1479457), (49, 815211), (63, 634053), (109, 366471), (147, 271737), (189, 211351), (277, 144207), (327, 122157), (441, 90579), (763, 52353), (831, 48069), (981, 40719), (1323, 30193), (1939, 20601), (2289, 17451), (2493, 16023), (2943, 13573), (5341, 7479), (5817, 6867)]