689614551

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{9901}}^1$

素因数の和:10087

約数の個数: 24

約数和(自身を含む): 1019509920

約数和(自身を除く): 329895369

約数列:

[1, 3, 9, 71, 109, 213, 327, 639, 981, 7739, 9901, 23217, 29703, 69651, 89109, 702971, 1079209, 2108913, 3237627, 6326739, 9712881, 76623839, 229871517, 689614551]

約数ペア:

[(1, 689614551), (3, 229871517), (9, 76623839), (71, 9712881), (109, 6326739), (213, 3237627), (327, 2108913), (639, 1079209), (981, 702971), (7739, 89109), (9901, 69651), (23217, 29703)]