13380885

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{397}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 26822016

約数和(自身を除く): 13441131

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 107, 315, 321, 397, 535, 749, 963, 1191, 1605, 1985, 2247, 2779, 3573, 3745, 4815, 5955, 6741, 8337, 11235, 13895, 17865, 25011, 33705, 41685, 42479, 125055, 127437, 212395, 297353, 382311, 637185, 892059, 1486765, 1911555, 2676177, 4460295, 13380885]

約数ペア:

[(1, 13380885), (3, 4460295), (5, 2676177), (7, 1911555), (9, 1486765), (15, 892059), (21, 637185), (35, 382311), (45, 297353), (63, 212395), (105, 127437), (107, 125055), (315, 42479), (321, 41685), (397, 33705), (535, 25011), (749, 17865), (963, 13895), (1191, 11235), (1605, 8337), (1985, 6741), (2247, 5955), (2779, 4815), (3573, 3745)]