28505265

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{40433}}^1$

素因数の和:40488

約数の個数: 16

約数和(自身を含む): 46579968

約数和(自身を除く): 18074703

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 40433, 121299, 202165, 606495, 1900351, 5701053, 9501755, 28505265]

約数ペア:

[(1, 28505265), (3, 9501755), (5, 5701053), (15, 1900351), (47, 606495), (141, 202165), (235, 121299), (705, 40433)]