28671291

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{4079}}^1$

素因数の和:4167

約数の個数: 24

約数和(自身を含む): 45826560

約数和(自身を除く): 17155269

約数列:

[1, 3, 9, 11, 33, 71, 99, 213, 639, 781, 2343, 4079, 7029, 12237, 36711, 44869, 134607, 289609, 403821, 868827, 2606481, 3185699, 9557097, 28671291]

約数ペア:

[(1, 28671291), (3, 9557097), (9, 3185699), (11, 2606481), (33, 868827), (71, 403821), (99, 289609), (213, 134607), (639, 44869), (781, 36711), (2343, 12237), (4079, 7029)]