199943721

素因数分解:

$3^4\times {\mathrm{1277}}^1\times {\mathrm{1933}}^1$

素因数の和:3222

約数の個数: 20

約数和(自身を含む): 299069892

約数和(自身を除く): 99126171

約数列:

[1, 3, 9, 27, 81, 1277, 1933, 3831, 5799, 11493, 17397, 34479, 52191, 103437, 156573, 2468441, 7405323, 22215969, 66647907, 199943721]

約数ペア:

[(1, 199943721), (3, 66647907), (9, 22215969), (27, 7405323), (81, 2468441), (1277, 156573), (1933, 103437), (3831, 52191), (5799, 34479), (11493, 17397)]