212683239

素因数分解:

$3^4\times {\mathrm{271}}^1\times {\mathrm{9689}}^1$

素因数の和:9972

約数の個数: 20

約数和(自身を含む): 318917280

約数和(自身を除く): 106234041

約数列:

[1, 3, 9, 27, 81, 271, 813, 2439, 7317, 9689, 21951, 29067, 87201, 261603, 784809, 2625719, 7877157, 23631471, 70894413, 212683239]

約数ペア:

[(1, 212683239), (3, 70894413), (9, 23631471), (27, 7877157), (81, 2625719), (271, 784809), (813, 261603), (2439, 87201), (7317, 29067), (9689, 21951)]