16687287

素因数分解:

$3^2\times {\mathrm{41}}^2\times {\mathrm{1103}}^1$

素因数の和:1191

約数の個数: 18

約数和(自身を含む): 24728496

約数和(自身を除く): 8041209

約数列:

[1, 3, 9, 41, 123, 369, 1103, 1681, 3309, 5043, 9927, 15129, 45223, 135669, 407007, 1854143, 5562429, 16687287]

約数ペア:

[(1, 16687287), (3, 5562429), (9, 1854143), (41, 407007), (123, 135669), (369, 45223), (1103, 15129), (1681, 9927), (3309, 5043)]