219819681

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{5167}}^1$

素因数の和:5365

約数の個数: 24

約数和(自身を含む): 330545280

約数和(自身を除く): 110725599

約数列:

[1, 3, 9, 29, 87, 163, 261, 489, 1467, 4727, 5167, 14181, 15501, 42543, 46503, 149843, 449529, 842221, 1348587, 2526663, 7579989, 24424409, 73273227, 219819681]

約数ペア:

[(1, 219819681), (3, 73273227), (9, 24424409), (29, 7579989), (87, 2526663), (163, 1348587), (261, 842221), (489, 449529), (1467, 149843), (4727, 46503), (5167, 42543), (14181, 15501)]