16802121

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{809}}^1$

素因数の和:885

約数の個数: 32

約数和(自身を含む): 27371520

約数和(自身を除く): 10569399

約数列:

[1, 3, 7, 21, 23, 43, 69, 129, 161, 301, 483, 809, 903, 989, 2427, 2967, 5663, 6923, 16989, 18607, 20769, 34787, 55821, 104361, 130249, 243509, 390747, 730527, 800101, 2400303, 5600707, 16802121]

約数ペア:

[(1, 16802121), (3, 5600707), (7, 2400303), (21, 800101), (23, 730527), (43, 390747), (69, 243509), (129, 130249), (161, 104361), (301, 55821), (483, 34787), (809, 20769), (903, 18607), (989, 16989), (2427, 6923), (2967, 5663)]