27881001

素因数分解:

$3^2\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{293}}^1$

素因数の和:505

約数の個数: 24

約数和(自身を含む): 41201160

約数和(自身を除く): 13320159

約数列:

[1, 3, 9, 97, 109, 291, 293, 327, 873, 879, 981, 2637, 10573, 28421, 31719, 31937, 85263, 95157, 95811, 255789, 287433, 3097889, 9293667, 27881001]

約数ペア:

[(1, 27881001), (3, 9293667), (9, 3097889), (97, 287433), (109, 255789), (291, 95811), (293, 95157), (327, 85263), (873, 31937), (879, 31719), (981, 28421), (2637, 10573)]