2156082981

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{769}}^1$

素因数の和:918

約数の個数: 64

約数和(自身を含む): 3342662400

約数和(自身を除く): 1186579419

約数列:

[1, 3, 13, 29, 37, 39, 67, 87, 111, 201, 377, 481, 769, 871, 1073, 1131, 1443, 1943, 2307, 2479, 2613, 3219, 5829, 7437, 9997, 13949, 22301, 25259, 28453, 29991, 32227, 41847, 51523, 66903, 71891, 75777, 85359, 96681, 154569, 215673, 289913, 369889, 669799, 825137, 869739, 934583, 1109667, 1494167, 1906351, 2009397, 2475411, 2803749, 4482501, 5719053, 10726781, 19424171, 24782563, 32180343, 55284179, 58272513, 74347689, 165852537, 718694327, 2156082981]

約数ペア:

[(1, 2156082981), (3, 718694327), (13, 165852537), (29, 74347689), (37, 58272513), (39, 55284179), (67, 32180343), (87, 24782563), (111, 19424171), (201, 10726781), (377, 5719053), (481, 4482501), (769, 2803749), (871, 2475411), (1073, 2009397), (1131, 1906351), (1443, 1494167), (1943, 1109667), (2307, 934583), (2479, 869739), (2613, 825137), (3219, 669799), (5829, 369889), (7437, 289913), (9997, 215673), (13949, 154569), (22301, 96681), (25259, 85359), (28453, 75777), (29991, 71891), (32227, 66903), (41847, 51523)]