81307807

素因数分解:

$7^3\times {\mathrm{223}}^1\times {\mathrm{1063}}^1$

素因数の和:1307

約数の個数: 16

約数和(自身を含む): 95334400

約数和(自身を除く): 14026593

約数列:

[1, 7, 49, 223, 343, 1063, 1561, 7441, 10927, 52087, 76489, 237049, 364609, 1659343, 11615401, 81307807]

約数ペア:

[(1, 81307807), (7, 11615401), (49, 1659343), (223, 364609), (343, 237049), (1063, 76489), (1561, 52087), (7441, 10927)]