209053831

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{30197}}^1$

素因数の和:30270

約数の個数: 16

約数和(自身を含む): 255112704

約数和(自身を除く): 46058873

約数列:

[1, 7, 23, 43, 161, 301, 989, 6923, 30197, 211379, 694531, 1298471, 4861717, 9089297, 29864833, 209053831]

約数ペア:

[(1, 209053831), (7, 29864833), (23, 9089297), (43, 4861717), (161, 1298471), (301, 694531), (989, 211379), (6923, 30197)]