19683657

素因数分解:

$3^2\times 7^1\times {\mathrm{397}}^1\times {\mathrm{787}}^1$

素因数の和:1197

約数の個数: 24

約数和(自身を含む): 32616896

約数和(自身を除く): 12933239

約数列:

[1, 3, 7, 9, 21, 63, 397, 787, 1191, 2361, 2779, 3573, 5509, 7083, 8337, 16527, 25011, 49581, 312439, 937317, 2187073, 2811951, 6561219, 19683657]

約数ペア:

[(1, 19683657), (3, 6561219), (7, 2811951), (9, 2187073), (21, 937317), (63, 312439), (397, 49581), (787, 25011), (1191, 16527), (2361, 8337), (2779, 7083), (3573, 5509)]