85571721

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{12143}}^1$

素因数の和:12187

約数の個数: 24

約数和(自身を含む): 132612480

約数和(自身を除く): 47040759

約数列:

[1, 3, 9, 27, 29, 81, 87, 243, 261, 783, 2349, 7047, 12143, 36429, 109287, 327861, 352147, 983583, 1056441, 2950749, 3169323, 9507969, 28523907, 85571721]

約数ペア:

[(1, 85571721), (3, 28523907), (9, 9507969), (27, 3169323), (29, 2950749), (81, 1056441), (87, 983583), (243, 352147), (261, 327861), (783, 109287), (2349, 36429), (7047, 12143)]