210591909

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{193381}}^1$

素因数の和:193409

約数の個数: 18

約数和(自身を含む): 334357478

約数和(自身を除く): 123765569

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 193381, 580143, 1740429, 2127191, 6381573, 19144719, 23399101, 70197303, 210591909]

約数ペア:

[(1, 210591909), (3, 70197303), (9, 23399101), (11, 19144719), (33, 6381573), (99, 2127191), (121, 1740429), (363, 580143), (1089, 193381)]