81693729

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{6779}}^1$

素因数の和:6901

約数の個数: 24

約数和(自身を含む): 128331840

約数和(自身を除く): 46638111

約数列:

[1, 3, 9, 13, 39, 103, 117, 309, 927, 1339, 4017, 6779, 12051, 20337, 61011, 88127, 264381, 698237, 793143, 2094711, 6284133, 9077081, 27231243, 81693729]

約数ペア:

[(1, 81693729), (3, 27231243), (9, 9077081), (13, 6284133), (39, 2094711), (103, 793143), (117, 698237), (309, 264381), (927, 88127), (1339, 61011), (4017, 20337), (6779, 12051)]