28242945

素因数分解:

$3^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1597}}^1$

素因数の和:1742

約数の個数: 32

約数和(自身を含む): 50624640

約数和(自身を除く): 22381695

約数列:

[1, 3, 5, 9, 15, 27, 45, 131, 135, 393, 655, 1179, 1597, 1965, 3537, 4791, 5895, 7985, 14373, 17685, 23955, 43119, 71865, 209207, 215595, 627621, 1046035, 1882863, 3138105, 5648589, 9414315, 28242945]

約数ペア:

[(1, 28242945), (3, 9414315), (5, 5648589), (9, 3138105), (15, 1882863), (27, 1046035), (45, 627621), (131, 215595), (135, 209207), (393, 71865), (655, 43119), (1179, 23955), (1597, 17685), (1965, 14373), (3537, 7985), (4791, 5895)]