320445519

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1\times {\mathrm{4139}}^1$

素因数の和:4470

約数の個数: 16

約数和(自身を含む): 432812160

約数和(自身を除く): 112366641

約数列:

[1, 3, 131, 197, 393, 591, 4139, 12417, 25807, 77421, 542209, 815383, 1626627, 2446149, 106815173, 320445519]

約数ペア:

[(1, 320445519), (3, 106815173), (131, 2446149), (197, 1626627), (393, 815383), (591, 542209), (4139, 77421), (12417, 25807)]