28128795

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2347}}^1$

素因数の和:2419

約数の個数: 32

約数和(自身を含む): 48688128

約数和(自身を除く): 20559333

約数列:

[1, 3, 5, 15, 17, 47, 51, 85, 141, 235, 255, 705, 799, 2347, 2397, 3995, 7041, 11735, 11985, 35205, 39899, 110309, 119697, 199495, 330927, 551545, 598485, 1654635, 1875253, 5625759, 9376265, 28128795]

約数ペア:

[(1, 28128795), (3, 9376265), (5, 5625759), (15, 1875253), (17, 1654635), (47, 598485), (51, 551545), (85, 330927), (141, 199495), (235, 119697), (255, 110309), (705, 39899), (799, 35205), (2347, 11985), (2397, 11735), (3995, 7041)]