210815559

素因数分解:

$3^2\times {\mathrm{103}}^1\times {\mathrm{277}}^1\times {\mathrm{821}}^1$

素因数の和:1207

約数の個数: 24

約数和(自身を含む): 308953632

約数和(自身を除く): 98138073

約数列:

[1, 3, 9, 103, 277, 309, 821, 831, 927, 2463, 2493, 7389, 28531, 84563, 85593, 227417, 253689, 256779, 682251, 761067, 2046753, 23423951, 70271853, 210815559]

約数ペア:

[(1, 210815559), (3, 70271853), (9, 23423951), (103, 2046753), (277, 761067), (309, 682251), (821, 256779), (831, 253689), (927, 227417), (2463, 85593), (2493, 84563), (7389, 28531)]