1787005989

素因数分解:

$3^3\times {\mathrm{349}}^1\times {\mathrm{189643}}^1$

素因数の和:190001

約数の個数: 16

約数和(自身を含む): 2655016000

約数和(自身を除く): 868010011

約数列:

[1, 3, 9, 27, 349, 1047, 3141, 9423, 189643, 568929, 1706787, 5120361, 66185407, 198556221, 595668663, 1787005989]

約数ペア:

[(1, 1787005989), (3, 595668663), (9, 198556221), (27, 66185407), (349, 5120361), (1047, 1706787), (3141, 568929), (9423, 189643)]