28254195

素因数分解:

$3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{4583}}^1$

素因数の和:4731

約数の個数: 24

約数和(自身を含む): 49342176

約数和(自身を除く): 21087981

約数列:

[1, 3, 5, 9, 15, 45, 137, 411, 685, 1233, 2055, 4583, 6165, 13749, 22915, 41247, 68745, 206235, 627871, 1883613, 3139355, 5650839, 9418065, 28254195]

約数ペア:

[(1, 28254195), (3, 9418065), (5, 5650839), (9, 3139355), (15, 1883613), (45, 627871), (137, 206235), (411, 68745), (685, 41247), (1233, 22915), (2055, 13749), (4583, 6165)]