25178193

素因数分解:

$3^2\times {\mathrm{97}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:445

約数の個数: 24

約数和(自身を含む): 37180416

約数和(自身を除く): 12002223

約数列:

[1, 3, 9, 97, 151, 191, 291, 453, 573, 873, 1359, 1719, 14647, 18527, 28841, 43941, 55581, 86523, 131823, 166743, 259569, 2797577, 8392731, 25178193]

約数ペア:

[(1, 25178193), (3, 8392731), (9, 2797577), (97, 259569), (151, 166743), (191, 131823), (291, 86523), (453, 55581), (573, 43941), (873, 28841), (1359, 18527), (1719, 14647)]