23278437

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:730

約数の個数: 48

約数和(自身を含む): 42410368

約数和(自身を除く): 19131931

約数列:

[1, 3, 7, 9, 13, 21, 39, 43, 63, 91, 117, 129, 273, 301, 387, 559, 661, 819, 903, 1677, 1983, 2709, 3913, 4627, 5031, 5949, 8593, 11739, 13881, 25779, 28423, 35217, 41643, 60151, 77337, 85269, 180453, 198961, 255807, 369499, 541359, 596883, 1108497, 1790649, 2586493, 3325491, 7759479, 23278437]

約数ペア:

[(1, 23278437), (3, 7759479), (7, 3325491), (9, 2586493), (13, 1790649), (21, 1108497), (39, 596883), (43, 541359), (63, 369499), (91, 255807), (117, 198961), (129, 180453), (273, 85269), (301, 77337), (387, 60151), (559, 41643), (661, 35217), (819, 28423), (903, 25779), (1677, 13881), (1983, 11739), (2709, 8593), (3913, 5949), (4627, 5031)]