81681561

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{232711}}^1$

素因数の和:232733

約数の個数: 16

約数和(自身を含む): 130318720

約数和(自身を除く): 48637159

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 232711, 698133, 2094399, 3025243, 6283197, 9075729, 27227187, 81681561]

約数ペア:

[(1, 81681561), (3, 27227187), (9, 9075729), (13, 6283197), (27, 3025243), (39, 2094399), (117, 698133), (351, 232711)]