31945173

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{443}}^1$

素因数の和:545

約数の個数: 24

約数和(自身を含む): 47067552

約数和(自身を除く): 15122379

約数列:

[1, 3, 13, 39, 43, 129, 443, 559, 1329, 1677, 1849, 5547, 5759, 17277, 19049, 24037, 57147, 72111, 247637, 742911, 819107, 2457321, 10648391, 31945173]

約数ペア:

[(1, 31945173), (3, 10648391), (13, 2457321), (39, 819107), (43, 742911), (129, 247637), (443, 72111), (559, 57147), (1329, 24037), (1677, 19049), (1849, 17277), (5547, 5759)]