19380087

素因数分解:

$3^3\times {\mathrm{503}}^1\times {\mathrm{1427}}^1$

素因数の和:1939

約数の個数: 16

約数和(自身を含む): 28788480

約数和(自身を除く): 9408393

約数列:

[1, 3, 9, 27, 503, 1427, 1509, 4281, 4527, 12843, 13581, 38529, 717781, 2153343, 6460029, 19380087]

約数ペア:

[(1, 19380087), (3, 6460029), (9, 2153343), (27, 717781), (503, 38529), (1427, 13581), (1509, 12843), (4281, 4527)]