49890321

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{32801}}^1$

素因数の和:32833

約数の個数: 18

約数和(自身を含む): 78035958

約数和(自身を除く): 28145637

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 32801, 98403, 295209, 426413, 1279239, 3837717, 5543369, 16630107, 49890321]

約数ペア:

[(1, 49890321), (3, 16630107), (9, 5543369), (13, 3837717), (39, 1279239), (117, 426413), (169, 295209), (507, 98403), (1521, 32801)]