31688163

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1361}}^1$

素因数の和:1579

約数の個数: 24

約数和(自身を含む): 49576800

約数和(自身を除く): 17888637

約数列:

[1, 3, 9, 13, 39, 117, 199, 597, 1361, 1791, 2587, 4083, 7761, 12249, 17693, 23283, 53079, 159237, 270839, 812517, 2437551, 3520907, 10562721, 31688163]

約数ペア:

[(1, 31688163), (3, 10562721), (9, 3520907), (13, 2437551), (39, 812517), (117, 270839), (199, 159237), (597, 53079), (1361, 23283), (1791, 17693), (2587, 12249), (4083, 7761)]