16381323

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{6047}}^1$

素因数の和:6103

約数の個数: 24

約数和(自身を含む): 27675648

約数和(自身を除く): 11294325

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 6047, 18141, 42329, 54423, 126987, 260021, 380961, 780063, 1820147, 2340189, 5460441, 16381323]

約数ペア:

[(1, 16381323), (3, 5460441), (7, 2340189), (9, 1820147), (21, 780063), (43, 380961), (63, 260021), (129, 126987), (301, 54423), (387, 42329), (903, 18141), (2709, 6047)]