31747833

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{20873}}^1$

素因数の和:20905

約数の個数: 18

約数和(自身を含む): 49659246

約数和(自身を除く): 17911413

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 20873, 62619, 187857, 271349, 814047, 2442141, 3527537, 10582611, 31747833]

約数ペア:

[(1, 31747833), (3, 10582611), (9, 3527537), (13, 2442141), (39, 814047), (117, 271349), (169, 187857), (507, 62619), (1521, 20873)]