28989819

素因数分解:

$3^4\times {\mathrm{463}}^1\times {\mathrm{773}}^1$

素因数の和:1248

約数の個数: 20

約数和(自身を含む): 43455456

約数和(自身を除く): 14465637

約数列:

[1, 3, 9, 27, 81, 463, 773, 1389, 2319, 4167, 6957, 12501, 20871, 37503, 62613, 357899, 1073697, 3221091, 9663273, 28989819]

約数ペア:

[(1, 28989819), (3, 9663273), (9, 3221091), (27, 1073697), (81, 357899), (463, 62613), (773, 37503), (1389, 20871), (2319, 12501), (4167, 6957)]