219325563

素因数分解:

$3^4\times {\mathrm{809}}^1\times {\mathrm{3347}}^1$

素因数の和:4168

約数の個数: 20

約数和(自身を含む): 328137480

約数和(自身を除く): 108811917

約数列:

[1, 3, 9, 27, 81, 809, 2427, 3347, 7281, 10041, 21843, 30123, 65529, 90369, 271107, 2707723, 8123169, 24369507, 73108521, 219325563]

約数ペア:

[(1, 219325563), (3, 73108521), (9, 24369507), (27, 8123169), (81, 2707723), (809, 271107), (2427, 90369), (3347, 65529), (7281, 30123), (10041, 21843)]