28905675

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{8963}}^1$

素因数の和:9019

約数の個数: 24

約数和(自身を含む): 48907584

約数和(自身を除く): 20001909

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 8963, 26889, 44815, 134445, 224075, 385409, 672225, 1156227, 1927045, 5781135, 9635225, 28905675]

約数ペア:

[(1, 28905675), (3, 9635225), (5, 5781135), (15, 1927045), (25, 1156227), (43, 672225), (75, 385409), (129, 224075), (215, 134445), (645, 44815), (1075, 26889), (3225, 8963)]